Web sites:
- http://www.postfix.org/ current release information
+ https://www.postfix.org/ current release information
Mail addresses (PLEASE send questions to the mailing list)
postfix-users@postfix.org Postfix users mailing list
-In order to subscribe to the mailing list, see http://www.postfix.org/.
+In order to subscribe to the mailing list, see https://www.postfix.org/.
Acknowledgments
===============
Point your browser at html/index.html for Postfix documentation
and for hyperlinked versions of Postfix manual pages. Expect
-to see updated versions on-line at http://www.postfix.org/
+to see updated versions on-line at https://www.postfix.org/
Point your MANPATH environment variable at the `man' directory (use
an absolute path) for UNIX-style on-line manual pages. These pages
20241113
Bugfix (defect introduced: Postfix 3.10, date 20240923):
- TLSRPT support in tlsproxy dereferenced non-extent client
+ TLSRPT support in tlsproxy dereferenced non-existent client
properties in the server role. Problem reported by Florian
Piekert. File: tlsproxy/tlsproxy.c
Cleanup: removed an unused string variable. File:
xsasl/xsasl_cyrus_server.c
+
+20241119
+
+ Documentation: converted hyperlinks to https:// and located
+ some early content on the Wayback Machine. Files: AAAREADME,
+ HISTORY, conf/main.cf, conf/master.cf, conf/post-install,
+ dns/dns.h, examples/smtpd-policy/README.SPF, html/index.html,
+ mantools/make_soho_readme, mantools/makemanidx, mantools/man2html,
+ mantools/postlink.sed, mantools/readme2html, master/master_avail.c,
+ postfix/postfix.c, proto/ADDRESS_CLASS_README.html,
+ proto/ADDRESS_REWRITING_README.html,
+ proto/ADDRESS_VERIFICATION_README.html,
+ proto/BACKSCATTER_README.html,
+ proto/BASIC_CONFIGURATION_README.html, proto/BDAT_README.html,
+ proto/BUILTIN_FILTER_README.html, proto/CDB_README.html,
+ proto/COMPATIBILITY_README.html,
+ proto/CONNECTION_CACHE_README.html,
+ proto/CONTENT_INSPECTION_README.html, proto/DATABASE_README.html,
+ proto/DB_README.html, proto/DEBUG_README.html,
+ proto/DEPRECATION_README.html, proto/DSN_README.html,
+ proto/ETRN_README.html, proto/FILTER_README.html,
+ proto/FORWARD_SECRECY_README.html, proto/INSTALL.html,
+ proto/IPV6_README.html, proto/LDAP_README.html,
+ proto/LINUX_README.html, proto/LMDB_README.html,
+ proto/LOCAL_RECIPIENT_README.html, proto/MAILDROP_README.html,
+ proto/MAILLOG_README.html, proto/MEMCACHE_README.html,
+ proto/MILTER_README.html, proto/MONGODB_README.html,
+ proto/MULTI_INSTANCE_README.html, proto/MYSQL_README.html,
+ proto/NFS_README.html, proto/OVERVIEW.html,
+ proto/PACKAGE_README.html, proto/PCRE_README.html,
+ proto/PGSQL_README.html, proto/POSTSCREEN_3_5_README.html,
+ proto/POSTSCREEN_README.html, proto/QSHAPE_README.html,
+ proto/README, proto/RESTRICTION_CLASS_README.html,
+ proto/SASL_README.html, proto/SCHEDULER_README.html,
+ proto/SMTPD_ACCESS_README.html, proto/SMTPD_POLICY_README.html,
+ proto/SMTPD_PROXY_README.html, proto/SMTPUTF8_README.html,
+ proto/SQLITE_README.html, proto/STANDARD_CONFIGURATION_README.html,
+ proto/STRESS_README.html, proto/TLSRPT_README.html,
+ proto/TLS_LEGACY_README.html, proto/TLS_README.html,
+ proto/TUNING_README.html, proto/UUCP_README.html,
+ proto/VERP_README.html, proto/VIRTUAL_README.html,
+ proto/XCLIENT_README.html, proto/XFORWARD_README.html,
+ proto/postconf.html.prolog, proto/postconf.proto,
+ proto/socketmap_table, qmqpd/qmqpd.c, tls/tls_misc.c,
+ util/midna_domain.c, util/netstring.c,
+ xsasl/xsasl_dovecot_server.c.
+
+20241121
+
+ Documentation: convert some narrative text for the
+ delay_logging_resolution_limit parameter into a bullet list.
+ File: proto/postconf.proto.
If the command produces compiler error messages, it may be time to search the
web or to ask the postfix-users@postfix.org mailing list, but be sure to search
the mailing list archives first. Some mailing list archives are linked from
-http://www.postfix.org/.
+https://www.postfix.org/.
5 - Porting Postfix to an unsupported system
... etcetera ...
At some point in cyberspace/time, a list of frequently forged MAIL FROM domains
-could be found at http://www.monkeys.com/anti-spam/filtering/sender-domain-
-validate.in.
+was archived at https://web.archive.org/web/20080526153208/http://
+www.monkeys.com/anti-spam/filtering/sender-domain-validate.in.
NOTE: One of the first things you might want to do is to turn on sender address
verification for all your own domains.
lot of variation in report formats. The following is only a small example of
message header patterns. For a large collection of header and body patterns
that recognize virus notification email, see https://web.archive.org/web/
-20100317123907/http://std.dkuug.dk/keld/virus/ or http://www.t29.dk/
+20100317123907/http://std.dkuug.dk/keld/virus/ or https://www.t29.dk/
antiantivirus.txt.
/etc/postfix/header_checks:
P\bPr\bre\bev\bve\ben\bnt\bti\bin\bng\bg d\bda\bai\bil\bly\by m\bma\bai\bil\bl s\bst\bta\bat\btu\bus\bs r\bre\bep\bpo\bor\brt\bts\bs f\bfr\bro\bom\bm b\bbe\bei\bin\bng\bg b\bbl\blo\boc\bck\bke\bed\bd
-The following is quoted from Jim Seymour's Pflogsumm FAQ at http://
+The following is quoted from Jim Seymour's Pflogsumm FAQ at https://
jimsun.linxnet.com/downloads/pflogsumm-faq.txt. Pflogsumm is a program that
analyzes Postfix logs, including the logging from rejected mail. If these logs
contain text that was rejected by Postfix body_checks patterns, then the
Postfix is compatible with two CDB implementations:
- * The original cdb library from Daniel Bernstein, available from http://
+ * The original cdb library from Daniel Bernstein, available from https://
cr.yp.to/cdb.html, and
- * tinycdb (version 0.5 and later) from Michael Tokarev, available from http:/
- /www.corpit.ru/mjt/tinycdb.html.
+ * tinycdb (version 0.5 and later) from Michael Tokarev, available from https:
+ //www.corpit.ru/mjt/tinycdb.html.
Tinycdb is preferred, since it is a bit faster, has additional useful
functionality and is much simpler to use.
virus killer. Postfix encourages the use of external filters and standard
protocols because this allows you to choose the best MTA and the best content
inspection software for your purpose. Information about external content
-inspection software can be found on the Postfix website at http://
+inspection software can be found on the Postfix website at https://
www.postfix.org/, and on the postfix-users@postfix.org mailing list.
Some UNIXes ship without Berkeley DB support; for historical reasons these use
DBM files instead. A problem with DBM files is that they can store only limited
amounts of data. To build Postfix with Berkeley DB support you need to download
-and install the source code from http://www.oracle.com/database/berkeley-db/.
+and install the source code from https://www.oracle.com/database/technologies/
+related/berkeleydb.html.
Warning: some Linux system libraries use Berkeley DB, as do some third-party
libraries such as SASL. If you compile Postfix with a different Berkeley DB
% make makefiles .... AUXLIBS="... -lpthread"
-More information is available at http://www.oracle.com/database/berkeley-db/.
+More information is available at https://www.oracle.com/database/technologies/
+related/berkeleydb.html.
If the command produces compiler error messages, it may be time to search the
web or to ask the postfix-users@postfix.org mailing list, but be sure to search
the mailing list archives first. Some mailing list archives are linked from
-http://www.postfix.org/.
+https://www.postfix.org/.
5\b5 -\b- P\bPo\bor\brt\bti\bin\bng\bg P\bPo\bos\bst\btf\bfi\bix\bx t\bto\bo a\ban\bn u\bun\bns\bsu\bup\bpp\bpo\bor\brt\bte\bed\bd s\bsy\bys\bst\bte\bem\bm
Postfix uses the same SMTP protocol over IPv6 as it already uses over the older
IPv4 network, and does AAAA record lookups in the DNS in addition to the older
-A records. Information about IPv6 can be found at http://www.ipv6.org/.
+A records.
This document provides information on the following topics:
* Dean Strik extended IPv6 support to platforms other than KAME and USAGI,
updated the patch to keep up with Postfix development, and provided a
- combined IPv6 + TLS patch. Information about his effort can be found on
- Dean Strik's Postfix website at http://www.ipnet6.org/postfix/.
+ combined IPv6 + TLS patch. Information about his effort is found in an
+ archived copy of Dean Strik's Postfix website at https://web.archive.org/
+ web/20080603102834/http://www.ipnet6.org/postfix/.
* Wietse Venema took Dean Strik's IPv6 patch, merged it into Postfix 2.2, and
took the opportunity to eliminate all IPv4-specific code from Postfix that
+s!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN" "https://
+www.w3.org/TR/html4/loose.dtd">
+
P\bPo\bos\bst\btf\bfi\bix\bx L\bLD\bDA\bAP\bP H\bHo\bow\bwt\bto\bo
-------------------------------------------------------------------------------
--without-threads --disable-slapd --disable-slurpd \
--disable-debug --disable-shared
-If you're using the libraries from the UM distribution (http://www.umich.edu/
-~dirsvcs/ldap/ldap.html) or OpenLDAP (http://www.openldap.org), something like
-this in the top level of your Postfix source tree should work:
+If you're using the libraries from OpenLDAP (https://www.openldap.org),
+something like this in the top level of your Postfix source tree should work:
% make tidy
% make makefiles CCARGS="-I/usr/local/include -DHAS_LDAP" \
The Postfix MySQL client utilizes the mysql client library, which can be
obtained from:
- http://www.mysql.com/downloads/
+ https://www.mysql.com/downloads/
In order to build Postfix with mysql map support, you will need to add -
DHAS_MYSQL and -I for the directory containing the mysql headers, and the
regular expression implementation that you find on many systems.
A description of how to use pcre tables, including examples, is given in the
-pcre_table(5) manual page. Information about PCRE itself can be found at http:/
-/www.pcre.org/.
+pcre_table(5) manual page. Information about PCRE itself can be found at https:
+//www.pcre.org/.
U\bUs\bsi\bin\bng\bg P\bPo\bos\bst\btf\bfi\bix\bx p\bpa\bac\bck\bka\bag\bge\bes\bs w\bwi\bit\bth\bh P\bPC\bCR\bRE\bE s\bsu\bup\bpp\bpo\bor\brt\bt
This example is taken from a Feb 2004 discussion on the Postfix Users list.
Congestion was reported with the "active" and "incoming" queues large and not
shrinking despite very large delivery agent process limits. The thread is
-archived at: http://groups.google.com/
-groups?threadm=c0b7js$2r65$1@FreeBSD.csie.NCTU.edu.tw and http://
+archived at: https://web.archive.org/web/20120227170207/http://
archives.neohapsis.com/archives/postfix/2004-02/thread.html#1371
Using an older version of qshape(1) it was quickly determined that all the
The m\bmm\bme\ben\bnc\bco\bod\bde\be command is part of the metamail software.
- * Using Perl M\bMI\bIM\bME\bE:\b::\b:B\bBa\bas\bse\be6\b64\b4 (from http://www.cpan.org/):
+ * Using Perl M\bMI\bIM\bME\bE:\b::\b:B\bBa\bas\bse\be6\b64\b4 (from https://www.cpan.org/):
% p\bpe\ber\brl\bl -\b-M\bMM\bMI\bIM\bME\bE:\b::\b:B\bBa\bas\bse\be6\b64\b4 -\b-e\be \\b\
'\b'p\bpr\bri\bin\bnt\bt e\ben\bnc\bco\bod\bde\be_\b_b\bba\bas\bse\be6\b64\b4(\b("\b"\\b\0\b0u\bus\bse\ber\brn\bna\bam\bme\be\\b\0\b0p\bpa\bas\bss\bsw\bwo\bor\brd\bd"\b")\b);\b;'\b'
password:
The g\bge\ben\bn-\b-a\bau\but\bth\bh Perl script was written by John Jetmore and can be found at
- http://jetmore.org/john/code/gen-auth.
+ https://jetmore.org/john/code/gen-auth.
C\bCo\bon\bnf\bfi\big\bgu\bur\bri\bin\bng\bg S\bSA\bAS\bSL\bL a\bau\but\bth\bhe\ben\bnt\bti\bic\bca\bat\bti\bio\bon\bn i\bin\bn t\bth\bhe\be P\bPo\bos\bst\btf\bfi\bix\bx S\bSM\bMT\bTP\bP/\b/L\bLM\bMT\bTP\bP c\bcl\bli\bie\ben\bnt\bt
happily forwarded mail on behalf of anyone towards any destination. On today's
Internet, spammers abuse servers that forward mail from arbitrary systems, and
abused systems end up on anti-spammer denylists. See, for example, the
-information on http://www.mail-abuse.org/ and other websites.
+information on https://www.spamhaus.org/ and other websites.
By default, Postfix has a moderately restrictive approach to mail relaying.
Postfix forwards mail only from clients in trusted networks, from clients that
document. A complete example can be found in the Postfix source code, in the
directory examples/smtpd-policy.
-Another example of policy delegation is the SPF policy server at https://
-web.archive.org/web/20190221142057/http://www.openspf.org/Software.
+Another example of policy delegation is the SPF policy server at http://
+www.open-spf.org/Software/
Policy delegation is now the preferred method for adding policies to Postfix.
It's much easier to develop a new feature in few lines of Perl, Python, Ruby,
4 reject_unauth_destination
5 check_policy_service {
6 inet:host:port1,
- 7 { default_action = 451 4.3.5 See http://www.example.com/
+ 7 { default_action = 451 4.3.5 See https://www.example.com/
support1 }
8 }
9 ...
E\bEx\bxa\bam\bmp\bpl\ble\be:\b: g\bgr\bre\bey\byl\bli\bis\bst\bt p\bpo\bol\bli\bic\bcy\by s\bse\ber\brv\bve\ber\br
-Greylisting is a defense against junk email that is described at http://
+Greylisting is a defense against junk email that is described at https://
www.greylisting.org/. The idea was discussed on the postfix-users mailing list
-one year before it was popularized.
+one year before it was popularized (alternative version).
The file examples/smtpd-policy/greylist.pl in the Postfix source tree
implements a simplified greylist policy server. This server stores a time stamp
"enable_idna2003_compatibility = yes" to get the historical behavior.
This affects the conversion of domain names that contain for example the German
-sz (ß) and the Greek zeta (ς). See http://unicode.org/cldr/utility/idna.jsp
+sz (ß) and the Greek zeta (ς). See https://unicode.org/cldr/utility/idna.jsp
for more examples.
C\bCr\bre\bed\bdi\bit\bts\bs
Postfix should work out of the box without change on a stand-alone machine that
has direct Internet access. At least, that is how Postfix installs when you
-download the Postfix source code via http://www.postfix.org/.
+download the Postfix source code via https://www.postfix.org/.
You can use the command "p\bpo\bos\bst\btc\bco\bon\bnf\bf -\b-n\bn" to find out what settings are overruled
by your main.cf. Besides a few pathname settings, few parameters should be set
The Postfix SQLite client utilizes the sqlite3 library, which can be obtained
from:
- http://www.sqlite.org/
+ https://www.sqlite.org/
In order to build Postfix with sqlite map support, you will need to add to
CCARGS the flags -DHAS_SQLITE and -I with the directory containing the sqlite
Postfix should work out of the box without change on a stand-alone machine that
has direct Internet access. At least, that is how Postfix installs when you
-download the Postfix source code via http://www.postfix.org/.
+download the Postfix source code via https://www.postfix.org/.
You can use the command "p\bpo\bos\bst\btc\bco\bon\bnf\bf -\b-n\bn" to find out what settings are overruled
by your main.cf. Besides a few pathname settings, few parameters should be set
condition, increase the process count in master.cf or reduce the
service time per client
Oct 3 20:39:27 spike postfix/master[28905]: warning: see
- http://www.postfix.org/STRESS_README.html for examples of
+ https://www.postfix.org/STRESS_README.html for examples of
stress-adapting configuration settings
Legitimate mail that doesn't get through during an episode of Postfix SMTP
* You can automatically turn on the above overload measure with Postfix 2.5
and later, or with earlier releases that contain the stress-adaptive
- behavior source code patch from the mirrors listed at http://
+ behavior source code patch from the mirrors listed at https://
www.postfix.org/download.html. Simply replace line above 8 with:
8 rbl_reply_maps = ${stress?hash:/etc/postfix/rbl_reply_maps}
See the section "Automatic stress-adaptive behavior" if you are running Postfix
version 2.5 or later, or if you have applied the source code patch for stress-
-adaptive behavior from the mirrors listed at http://www.postfix.org/
+adaptive behavior from the mirrors listed at https://www.postfix.org/
download.html.
The following measures can be applied temporarily during overload. They still
Historical note: while the documentation of these issues and many of the
related features were new with Postfix 2.3, the issue was well understood
before Postfix 1.0, when Lutz Ja"nicke was designing the first unofficial
-Postfix TLS patch. See his original post http://www.imc.org/ietf-apps-tls/mail-
-archive/msg00304.html and the first response http://www.imc.org/ietf-apps-tls/
-mail-archive/msg00305.html. The problem is not even unique to SMTP or even TLS,
-similar issues exist for secure connections via aliases for HTTPS and Kerberos.
-SMTP merely uses indirect naming (via MX records) more frequently.
+Postfix TLS patch. See his original post https://web.archive.org/web/
+20070816181658/http://www.imc.org/ietf-apps-tls/mail-archive/msg00304.html and
+the first response https://web.archive.org/web/20070807073846/http://
+www.imc.org/ietf-apps-tls/mail-archive/msg00305.html. The problem is not even
+unique to SMTP or even TLS, similar issues exist for secure connections via
+aliases for HTTPS and Kerberos. SMTP merely uses indirect naming (via MX
+records) more frequently.
T\bTL\bLS\bS p\bpo\bol\bli\bic\bcy\by t\bta\bab\bbl\ble\be
R\bRe\bep\bpo\bor\brt\bti\bin\bng\bg p\bpr\bro\bob\bbl\ble\bem\bms\bs
-Problems are preferably reported via <postfix-users@postfix.org>. See http://
+Problems are preferably reported via <postfix-users@postfix.org>. See https://
www.postfix.org/lists.html for subscription information. When reporting a
problem, please be thorough in the report. Patches, when possible, are greatly
appreciated too.
option for sites without permanent Internet connections, and for sites without
a fixed IP address. For first-hand information, see the following guides:
- * Jim Seymour's guide for using UUCP over TCP at http://jimsun.LinxNet.com/
+ * Jim Seymour's guide for using UUCP over TCP at https://jimsun.LinxNet.com/
jdp/uucp_over_tcp/index.html,
* Craig Sanders's guide for SSL-encrypted UUCP over TCP using stunnel at
http://taz.net.au/postfix/uucp/.
requiring the list owner to parse bounce messages.
The VERP concept was popularized by the qmail MTA and by the ezmlm mailing list
-manager. See http://cr.yp.to/proto/verp.txt for the ideas behind this concept.
+manager. See https://cr.yp.to/proto/verp.txt for the ideas behind this concept.
Topics covered in this document:
# For common configuration examples, see BASIC_CONFIGURATION_README
# and STANDARD_CONFIGURATION_README. To find these documents, use
# the command "postconf html_directory readme_directory", or go to
-# http://www.postfix.org/BASIC_CONFIGURATION_README.html etc.
+# https://www.postfix.org/BASIC_CONFIGURATION_README.html etc.
#
# For best results, change no more than 2-3 parameters at a time,
# and test if Postfix still works after every change.
#
# Postfix master process configuration file. For details on the format
# of the file, see the master(5) manual page (command: "man 5 master" or
-# on-line: http://www.postfix.org/master.5.html).
+# on-line: https://www.postfix.org/master.5.html).
#
# Do not forget to execute "postfix reload" after editing this file.
#
Warning: you still need to edit myorigin/mydestination/mynetworks
parameter settings in $config_directory/main.cf.
- See also http://www.postfix.org/STANDARD_CONFIGURATION_README.html
+ See also https://www.postfix.org/STANDARD_CONFIGURATION_README.html
for information about dialup sites or about sites inside a
firewalled network.
-See http://www.openspf.org/Software for the current version of the
+See https://www.openspf.org/Software for the current version of the
SPF policy daemon for Postfix.
SPF support is also available via MILTER plugins, such as sid-milter
-at http://sourceforge.net/projects/sid-milter/ which implements both
+at https://sourceforge.net/projects/sid-milter/ which implements both
SenderID and SPF.
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
</blockquote>
<p> At some point in cyberspace/time, a list of frequently forged
-MAIL FROM domains could be found at
-<a href="http://www.monkeys.com/anti-spam/filtering/sender-domain-validate.in">http://www.monkeys.com/anti-spam/filtering/sender-domain-validate.in</a>. </p>
+MAIL FROM domains was archived at
+<a href="https://web.archive.org/web/20080526153208/http://www.monkeys.com/anti-spam/filtering/sender-domain-validate.in">https://web.archive.org/web/20080526153208/http://www.monkeys.com/anti-spam/filtering/sender-domain-validate.in</a>. </p>
<p> NOTE: One of the first things you might want to do is to turn
on sender address verification for all your own domains. </p>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
collection of header and body patterns that recognize virus
notification email, see
<a href="https://web.archive.org/web/20100317123907/http://std.dkuug.dk/keld/virus/">https://web.archive.org/web/20100317123907/http://std.dkuug.dk/keld/virus/</a>
-or <a href="http://www.t29.dk/antiantivirus.txt">http://www.t29.dk/antiantivirus.txt</a>. </p>
+or <a href="https://www.t29.dk/antiantivirus.txt">https://www.t29.dk/antiantivirus.txt</a>. </p>
<blockquote>
<pre>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<h2><a name="daily">Preventing daily mail status reports from being blocked </a></h2>
<p>The following is quoted from Jim Seymour's Pflogsumm FAQ at
-<a href="http://jimsun.linxnet.com/downloads/pflogsumm-faq.txt">http://jimsun.linxnet.com/downloads/pflogsumm-faq.txt</a>. Pflogsumm
+<a href="https://jimsun.linxnet.com/downloads/pflogsumm-faq.txt">https://jimsun.linxnet.com/downloads/pflogsumm-faq.txt</a>. Pflogsumm
is a program that analyzes Postfix logs, including the logging from
rejected mail. If these logs contain text that was rejected by
Postfix <a href="postconf.5.html#body_checks">body_checks</a> patterns, then the logging is also likely to
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<ul>
<li> <p> The original cdb library from Daniel Bernstein, available
-from <a href="http://cr.yp.to/cdb.html">http://cr.yp.to/cdb.html</a>, and </p>
+from <a href="https://cr.yp.to/cdb.html">https://cr.yp.to/cdb.html</a>, and </p>
<li> <p> tinycdb (version 0.5 and later) from Michael Tokarev,
-available from <a href="http://www.corpit.ru/mjt/tinycdb.html">http://www.corpit.ru/mjt/tinycdb.html</a>. </p>
+available from <a href="https://www.corpit.ru/mjt/tinycdb.html">https://www.corpit.ru/mjt/tinycdb.html</a>. </p>
</ul>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
use of external filters and standard protocols because this allows
you to choose the best MTA and the best content inspection software
for your purpose. Information about external content inspection
-software can be found on the Postfix website at <a href="http://www.postfix.org/">http://www.postfix.org/</a>,
+software can be found on the Postfix website at <a href="https://www.postfix.org/">https://www.postfix.org/</a>,
and on the postfix-users@postfix.org mailing list. </p>
</body>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
that they can store only limited amounts of data. To build Postfix
with
Berkeley DB support you need to download and install the source
-code from <a href="http://www.oracle.com/database/berkeley-db/">http://www.oracle.com/database/berkeley-db/</a>. </p>
+code from <a href="https://www.oracle.com/database/technologies/related/berkeleydb.html">https://www.oracle.com/database/technologies/related/berkeleydb.html</a>. </p>
<p> Warning: some Linux system libraries use Berkeley DB, as do
some third-party libraries such as SASL. If you compile Postfix
</blockquote>
<p> More information is available at
-<a href="http://www.oracle.com/database/berkeley-db/">http://www.oracle.com/database/berkeley-db/</a>. </p>
+<a href="https://www.oracle.com/database/technologies/related/berkeleydb.html">https://www.oracle.com/database/technologies/related/berkeleydb.html</a>. </p>
</body>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<p> If the command produces compiler error messages, it may be time
to search the web or to ask the postfix-users@postfix.org mailing
list, but be sure to search the mailing list archives first. Some
-mailing list archives are linked from <a href="http://www.postfix.org/">http://www.postfix.org/</a>. </p>
+mailing list archives are linked from <a href="https://www.postfix.org/">https://www.postfix.org/</a>. </p>
<h2> <a name="5">5 - Porting Postfix to an unsupported system</a> </h2>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<p> Postfix uses the same SMTP protocol over IPv6 as it already
uses over the older IPv4 network, and does AAAA record lookups in
-the DNS in addition to the older A records. Information about IPv6
-can be found at <a href="http://www.ipv6.org/">http://www.ipv6.org/</a>. </p>
+the DNS in addition to the older A records. </p>
<p> This document provides information on the following topics:
</p>
<li> <p> Dean Strik extended IPv6 support to platforms other than
KAME and USAGI, updated the patch to keep up with Postfix development,
and provided a combined IPv6 + TLS patch. Information about his
-effort can be found on Dean Strik's Postfix website at
-<a href="http://www.ipnet6.org/postfix/">http://www.ipnet6.org/postfix/</a>. </p>
+effort is found in an archived copy of Dean Strik's Postfix website at
+<a href="https://web.archive.org/web/20080603102834/http://www.ipnet6.org/postfix/">https://web.archive.org/web/20080603102834/http://www.ipnet6.org/postfix/</a>. </p>
<li> <p> Wietse Venema took Dean Strik's IPv6 patch, merged it into
Postfix 2.2, and took the opportunity to eliminate all IPv4-specific
-<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+s!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
</pre>
</blockquote>
-<p> If you're using the libraries from the UM distribution
-(<a href="http://www.umich.edu/~dirsvcs/ldap/ldap.html">http://www.umich.edu/~dirsvcs/ldap/ldap.html</a>) or OpenLDAP
-(<a href="http://www.openldap.org">http://www.openldap.org</a>), something like this in the top level of
+<p> If you're using the libraries from OpenLDAP
+(<a href="https://www.openldap.org">https://www.openldap.org</a>), something like this in the top level of
your Postfix source tree should work: </p>
<blockquote>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
-<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN" "https://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Postfix MongoDB Howto</title>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
which can be obtained from: </p>
<blockquote>
- <p> <a href="http://www.mysql.com/downloads/">http://www.mysql.com/downloads/</a> </p>
+ <p> <a href="https://www.mysql.com/downloads/">https://www.mysql.com/downloads/</a> </p>
</blockquote>
<p> In order to build Postfix with mysql map support, you will need to add
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<p> A description of how to use pcre tables, including examples,
is given in the <a href="pcre_table.5.html">pcre_table(5)</a> manual page. Information about PCRE
-itself can be found at <a href="http://www.pcre.org/">http://www.pcre.org/</a>. </p>
+itself can be found at <a href="https://www.pcre.org/">https://www.pcre.org/</a>. </p>
<h2>Using Postfix packages with PCRE support</h2>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<head>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<head>
<li> <p> The fourth layer provides heavy-weight content inspection
with external content filters. Typical examples are <a
-href="http://www.ijs.si/software/amavisd/">Amavisd-new</a>, <a
-href="http://spamassassin.apache.org/">SpamAssassin</a>, and <a
+href="http
s://www.ijs.si/software/amavisd/">Amavisd-new</a>, <a
+href="http
s://spamassassin.apache.org/">SpamAssassin</a>, and <a
href="MILTER_README.html">Milter applications</a>. </p>
</ul>
<p> The <a href="tlsproxy.8.html">tlsproxy(8)</a> implementation led to the discovery of a "new"
class of vulnerability (<a
-href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0411"
+href="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0411"
>CVE-2011-0411</a>) that affected multiple implementations of SMTP,
POP, IMAP, NNTP, and FTP over TLS. </p>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
"<a href="QSHAPE_README.html#active_queue">active"</a> and "<a href="QSHAPE_README.html#incoming_queue">incoming" queues</a>
large and not shrinking despite very large delivery agent
process limits. The thread is archived at:
-<a href="http://groups.google.com/groups?threadm=c0b7js$2r65$1@FreeBSD.csie.NCTU.edu.tw">http://groups.google.com/groups?threadm=c0b7js$2r65$1@FreeBSD.csie.NCTU.edu.tw</a>
-and
-<a href="http://archives.neohapsis.com/archives/postfix/2004-02/thread.html#1371">http://archives.neohapsis.com/archives/postfix/2004-02/thread.html#1371</a>
+<a href="https://web.archive.org/web/20120227170207/http://archives.neohapsis.com/archives/postfix/2004-02/thread.html#1371">https://web.archive.org/web/20120227170207/http://archives.neohapsis.com/archives/postfix/2004-02/thread.html#1371</a>
</p>
<p> Using an older version of <a href="qshape.1.html">qshape(1)</a> it was quickly determined
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<head>
<p> Dovecot is a POP/IMAP server that has its own configuration to
authenticate POP/IMAP clients. When the Postfix SMTP server uses
Dovecot SASL, it reuses parts of this configuration. Consult the
-<a href="http://wiki.dovecot.org">Dovecot documentation</a> for how
+<a href="https://wiki.dovecot.org">Dovecot documentation</a> for how
to configure and operate the Dovecot authentication server. </p>
<h4><a name="server_dovecot_comm">Postfix to Dovecot SASL communication</a></h4>
<strong>Note</strong>
<p> Read the chapter "Using SASL" in the <a
-href="http://www.openldap.org/doc/admin">OpenLDAP Admin Guide</a>
+href="https://www.openldap.org/doc/admin">OpenLDAP Admin Guide</a>
for more detailed instructions to set up SASL authentication in
OpenLDAP. </p>
<p> The <strong>mmencode</strong> command is part of the metamail
software. </p>
-<li> <p> Using Perl <b>MIME::Base64</b> (from <a href="http://www.cpan.org/">http://www.cpan.org/</a>): </p>
+<li> <p> Using Perl <b>MIME::Base64</b> (from <a href="https://www.cpan.org/">https://www.cpan.org/</a>): </p>
<blockquote>
<pre>
</blockquote>
<p> The <strong>gen-auth</strong> Perl script was written by John
-Jetmore and can be found at <a href="http://jetmore.org/john/code/gen-auth">http://jetmore.org/john/code/gen-auth</a>. </p>
+Jetmore and can be found at <a href="https://jetmore.org/john/code/gen-auth">https://jetmore.org/john/code/gen-auth</a>. </p>
</ul>
<blockquote> <i> This library is being deprecated and applications
should transition to using the SASLv2 library</i> (source: <a
-href="http://www.cyrusimap.org/download.html">Project Cyrus:
+href="https://www.cyrusimap.org/download.html">Project Cyrus:
Downloads</a>). </blockquote>
<p> If you still need to set it up, here's a quick rundown: </p>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
any destination. On today's Internet, spammers abuse servers that
forward mail from arbitrary systems, and abused systems end up on
anti-spammer denylists. See, for example, the information on
-<a href="http://www.mail-abuse.org/">http://www.mail-abuse.org/</a> and other websites. </p>
+<a href="https://www.spamhaus.org/">https://www.spamhaus.org/</a> and other websites. </p>
<p> By default, Postfix has a moderately restrictive approach to
mail relaying. Postfix forwards mail only from clients in trusted
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
examples/smtpd-policy. </p>
<p> Another example of policy delegation is the SPF policy server
-at <a href="https://web.archive.org/web/20190221142057/http://www.openspf.org/Software">https://web.archive.org/web/20190221142057/http://www.openspf.org/Software</a>. </p>
+at <a href="http://www.open-spf.org/Software/">http://www.open-spf.org/Software/</a> </p>
<p> Policy delegation is now the preferred method for adding policies
to Postfix. It's much easier to develop a new feature in few lines
4 <a href="postconf.5.html#reject_unauth_destination">reject_unauth_destination</a>
5 <a href="postconf.5.html#check_policy_service">check_policy_service</a> {
6 inet:host:port1,
-7 { default_action = 451 4.3.5 See <a href="http://www.example.com/support1">http://www.example.com/support1</a> }
+7 { default_action = 451 4.3.5 See <a href="https://www.example.com/support1">https://www.example.com/support1</a> }
8 }
9 ...
</pre>
<h2><a name="greylist">Example: greylist policy server</a></h2>
<p> Greylisting is a defense against junk email that is described at
-<a href="http://www.greylisting.org/">http://www.greylisting.org/</a>. The idea was discussed on the
+<a href="https://www.greylisting.org/">https://www.greylisting.org/</a>. The idea was discussed on the
postfix-users mailing list <a
-href="http://archives.neohapsis.com/archives/postfix/2002-03/0846.html">
-one year before it was popularized</a>. </p>
+href="https://marc.info/?l=postfix-users&m=101594914212564&w=2">
+one year before it was popularized</a> (<a
+href="http://archives.neohapsis.com/archives/postfix/2002-03/0846.html">alternative
+version</a>). </p>
<p> The file examples/smtpd-policy/greylist.pl in the Postfix source
tree implements a simplified greylist policy server. This server
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<p> This affects the conversion of domain names that contain for
example the German sz (ß) and the Greek zeta (ς). See
-<a href="http://unicode.org/cldr/utility/idna.jsp">http://unicode.org/cldr/utility/idna.jsp</a> for more examples. </p>
+<a href="https://unicode.org/cldr/utility/idna.jsp">https://unicode.org/cldr/utility/idna.jsp</a> for more examples. </p>
<h2> <a name="credits">Credits</a> </h2>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<p> Postfix should work out of the box without change on a stand-alone
machine that has direct Internet access. At least, that is how
Postfix installs when you download the Postfix source code via
-<a href="http://www.postfix.org/">http://www.postfix.org/</a>. </p>
+<a href="https://www.postfix.org/">https://www.postfix.org/</a>. </p>
<p> You can use the command "<b>postconf -n</b>" to find out what
settings are overruled by your <a href="postconf.5.html">main.cf</a>. Besides a few pathname
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
which can be obtained from: </p>
<blockquote>
- <p> <a href="http://www.sqlite.org/">http://www.sqlite.org/</a> </p>
+ <p> <a href="https://www.sqlite.org/">https://www.sqlite.org/</a> </p>
</blockquote>
<p> In order to build Postfix with sqlite map support, you will
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<p> Postfix should work out of the box without change on a stand-alone
machine that has direct Internet access. At least, that is how
Postfix installs when you download the Postfix source code via
-<a href="http://www.postfix.org/">http://www.postfix.org/</a>. </p>
+<a href="https://www.postfix.org/">https://www.postfix.org/</a>. </p>
<p> You can use the command "<b>postconf -n</b>" to find out what
settings are overruled by your <a href="postconf.5.html">main.cf</a>. Besides a few pathname
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
condition, increase the process count in <a href="master.5.html">master.cf</a> or reduce the
service time per client
Oct 3 20:39:27 spike postfix/master[28905]: warning: see
- <a href="http://www.postfix.org/STRESS_README.html">http://www.postfix.org/STRESS_README.html</a> for examples of
+ <a href="https://www.postfix.org/STRESS_README.html">https://www.postfix.org/STRESS_README.html</a> for examples of
stress-adapting configuration settings
</pre>
<li> <p> You can automatically turn on the above overload measure
with Postfix 2.5 and later, or with earlier releases that contain
the stress-adaptive behavior source code patch from the mirrors
-listed at <a href="http://www.postfix.org/download.html">http://www.postfix.org/download.html</a>. Simply replace line
+listed at <a href="https://www.postfix.org/download.html">https://www.postfix.org/download.html</a>. Simply replace line
above 8 with: </p>
<pre>
<p> See the section "<a href="#adapt">Automatic stress-adaptive
behavior</a>" if you are running Postfix version 2.5 or later, or
if you have applied the source code patch for stress-adaptive
-behavior from the mirrors listed at <a href="http://www.postfix.org/download.html">http://www.postfix.org/download.html</a>.
+behavior from the mirrors listed at <a href="https://www.postfix.org/download.html">https://www.postfix.org/download.html</a>.
</p>
<p> The following measures can be applied temporarily during overload.
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<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
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+ "https://www.w3.org/TR/html4/loose.dtd">
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<html>
related features were new with Postfix 2.3, the issue was well
understood before Postfix 1.0, when Lutz Jänicke was designing
the first unofficial Postfix TLS patch. See his original post <a
-href="http://www.imc.org/ietf-apps-tls/mail-archive/msg00304.html">http://www.imc.org/ietf-apps-tls/mail-archive/msg00304.html</a>
+href="https://web.archive.org/web/20070816181658/http://www.imc.org/ietf-apps-tls/mail-archive/msg00304.html">https://web.archive.org/web/20070816181658/http://www.imc.org/ietf-apps-tls/mail-archive/msg00304.html</a>
and the first response <a
-href="http://www.imc.org/ietf-apps-tls/mail-archive/msg00305.html">http://www.imc.org/ietf-apps-tls/mail-archive/msg00305.html</a>.
+href="https://web.archive.org/web/20070807073846/http://www.imc.org/ietf-apps-tls/mail-archive/msg00305.html">https://web.archive.org/web/20070807073846/http://www.imc.org/ietf-apps-tls/mail-archive/msg00305.html</a>.
The problem is not even unique to SMTP or even TLS, similar issues exist
for secure connections via aliases for HTTPS and Kerberos. SMTP merely
uses indirect naming (via MX records) more frequently. </p>
<p> Note: Disabling LEGACY_SERVER_CONNECT is not wise at this
time, lots of servers are still unpatched and Postfix is <a
-href="http://www.postfix.org/wip.html#tls-renegotiation">not
+href="https://www.postfix.org/wip.html#tls-renegotiation">not
significantly vulnerable</a> to the renegotiation issue in the TLS
protocol. </p>
<h2> <a name="problems"> Reporting problems </a> </h2>
<p> Problems are preferably reported via <postfix-users@postfix.org>.
-See <a href="http://www.postfix.org/lists.html">http://www.postfix.org/lists.html</a> for subscription information.
+See <a href="https://www.postfix.org/lists.html">https://www.postfix.org/lists.html</a> for subscription information.
When reporting a problem, please be thorough in the report. Patches,
when possible, are greatly appreciated too. </p>
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<html>
<li> <p> Solaris kernel parameters can be specified in /etc/system,
as described in the <a
-href="http://www.science.uva.nl/pub/solaris/solaris2.html#q3.48">Solaris
+href="https://web.archive.org/web/20070214110126/http://www.science.uva.nl/pub/solaris/solaris2.html#q3.48">Solaris
FAQ</a> entry titled "How can I increase the number of file
descriptors per process?" </p>
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<ul>
<li> Jim Seymour's guide for using UUCP over TCP at
-<a href="http://jimsun.LinxNet.com/jdp/uucp_over_tcp/index.html">http://jimsun.LinxNet.com/jdp/uucp_over_tcp/index.html</a>,
+<a href="https://jimsun.LinxNet.com/jdp/uucp_over_tcp/index.html">https://jimsun.LinxNet.com/jdp/uucp_over_tcp/index.html</a>,
<li> Craig Sanders's guide for SSL-encrypted UUCP over TCP
using stunnel at <a href="http://taz.net.au/postfix/uucp/">http://taz.net.au/postfix/uucp/</a>.
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</p>
<p> The VERP concept was popularized by the qmail MTA and by the ezmlm
-mailing list manager. See <a href="http://cr.yp.to/proto/verp.txt">http://cr.yp.to/proto/verp.txt</a> for the
+mailing list manager. See <a href="https://cr.yp.to/proto/verp.txt">https://cr.yp.to/proto/verp.txt</a> for the
ideas behind this concept. </p>
<p> Topics covered in this document: </p>
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<html>
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+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
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- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<p> The maximal number of digits after the decimal point when logging
sub-second delay values. Specify a number in the range 0..6. </p>
-<p> Large delay values are rounded off to an integral number of seconds;
-delay values below the <a href="postconf.5.html#delay_logging_resolution_limit">delay_logging_resolution_limit</a> are logged
-as "0", and delay values under 100s are logged with at most two-digit
-precision. </p>
+<ul>
+
+<li> <p> Delays ≥ 100s are rounded off to an integral number of
+seconds. </p>
+
+<li> <p> Delays < 10^-$<a href="postconf.5.html#delay_logging_resolution_limit">delay_logging_resolution_limit</a> are
+rounded off to "0". </p>
+
+<li> <p> Other delays are rounded off to two significant digits,
+or fewer if the result would exceed the delay_resolution_limit. </p>
+
+</ul>
<p> The format of the "delays=a/b/c/d" logging is as follows: </p>
used for DNS lookups. Specify "yes" for compatibility with Postfix
≤ 3.1 (not recommended). This affects the conversion of domain
names that contain for example the German sz and the Greek zeta.
-See <a href="http://unicode.org/cldr/utility/idna.jsp">http://unicode.org/cldr/utility/idna.jsp</a> for more examples.
+See <a href="https://unicode.org/cldr/utility/idna.jsp">https://unicode.org/cldr/utility/idna.jsp</a> for more examples.
</p>
<p> This feature is available in Postfix 3.2 and later. </p>
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- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
The <a href="master.5.html">master.cf</a> service name of a Postfix daemon process.
<b><a name="see_also">SEE ALSO</a></b>
- <a href="http://cr.yp.to/proto/qmqp.html">http://cr.yp.to/proto/qmqp.html</a>, QMQP protocol
+ <a href="https://cr.yp.to/proto/qmqp.html">https://cr.yp.to/proto/qmqp.html</a>, QMQP protocol
<a href="cleanup.8.html">cleanup(8)</a>, message canonicalization
<a href="master.8.html">master(8)</a>, process manager
<a href="postlogd.8.html">postlogd(8)</a>, Postfix logging
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
because neither the connection nor the server are authenticated.
<b><a name="see_also">SEE ALSO</a></b>
- <a href="http://cr.yp.to/proto/netstrings.txt">http://cr.yp.to/proto/netstrings.txt</a>, netstring definition
+ <a href="https://cr.yp.to/proto/netstrings.txt">https://cr.yp.to/proto/netstrings.txt</a>, netstring definition
<a href="postconf.1.html">postconf(1)</a>, Postfix supported lookup tables
<a href="postmap.1.html">postmap(1)</a>, Postfix lookup table manager
<a href="regexp_table.5.html">regexp_table(5)</a>, format of regular expression tables
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
.SH delay_logging_resolution_limit (default: 2)
The maximal number of digits after the decimal point when logging
sub\-second delay values. Specify a number in the range 0..6.
-.PP
-Large delay values are rounded off to an integral number of seconds;
-delay values below the delay_logging_resolution_limit are logged
-as "0", and delay values under 100s are logged with at most two\-digit
-precision.
+.IP \(bu
+Delays >= 100s are rounded off to an integral number of
+seconds.
+.IP \(bu
+Delays < 10^\-$delay_logging_resolution_limit are
+rounded off to "0".
+.IP \(bu
+Other delays are rounded off to two significant digits,
+or fewer if the result would exceed the delay_resolution_limit.
+.br
.PP
The format of the "delays=a/b/c/d" logging is as follows:
.IP \(bu
used for DNS lookups. Specify "yes" for compatibility with Postfix
<= 3.1 (not recommended). This affects the conversion of domain
names that contain for example the German sz and the Greek zeta.
-See http://unicode.org/cldr/utility/idna.jsp for more examples.
+See https://unicode.org/cldr/utility/idna.jsp for more examples.
.PP
This feature is available in Postfix 3.2 and later.
.SH enable_long_queue_ids (default: no)
.SH "SEE ALSO"
.na
.nf
-http://cr.yp.to/proto/netstrings.txt, netstring definition
+https://cr.yp.to/proto/netstrings.txt, netstring definition
postconf(1), Postfix supported lookup tables
postmap(1), Postfix lookup table manager
regexp_table(5), format of regular expression tables
.SH "SEE ALSO"
.na
.nf
-http://cr.yp.to/proto/qmqp.html, QMQP protocol
+https://cr.yp.to/proto/qmqp.html, QMQP protocol
cleanup(8), message canonicalization
master(8), process manager
postlogd(8), Postfix logging
cat <<'EOF'
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
cat <<EOF
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
done
echo "<!doctype html public \"-//W3C//DTD HTML 4.01 Transitional//EN\"
- \"http://www.w3.org/TR/html4/loose.dtd\">
+ \"https://www.w3.org/TR/html4/loose.dtd\">
<html> <head>
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
# Hyperlink URLs and RFC documents
- s/\(http:\/\/[^ ,"()]*[^ ,"():;!?.]\)/<a href="\1">\1<\/a>/
+ s/\(http
s?:\/\/[^ ,"()]*[^ ,"():;!?.]\)/<a href="\1">\1<\/a>/
s/\(ftp:\/\/[^ ,"()]*[^ ,"():;!?.]\)/<a href="\1">\1<\/a>/
- s/[[:<:]]RFC *\([1-9][0-9]*\)/<a href="http:\/\/www.faqs.org\/rfcs\/rfc\1.html">&<\/a>/
+ s/[[:<:]]RFC *\([1-9][0-9]*\)/<a href="https:\/\/www.faqs.org\/rfcs\/rfc\1.html">&<\/a>/
# Hyperlink phrases not in headers.
# Crude script to convert plain READMEs to HTML
echo '<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
</blockquote>
<p> At some point in cyberspace/time, a list of frequently forged
-MAIL FROM domains could be found at
-http://www.monkeys.com/anti-spam/filtering/sender-domain-validate.in. </p>
+MAIL FROM domains was archived at
+https://web.archive.org/web/20080526153208/http://www.monkeys.com/anti-spam/filtering/sender-domain-validate.in. </p>
<p> NOTE: One of the first things you might want to do is to turn
on sender address verification for all your own domains. </p>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
collection of header and body patterns that recognize virus
notification email, see
https://web.archive.org/web/20100317123907/http://std.dkuug.dk/keld/virus/
-or http://www.t29.dk/antiantivirus.txt. </p>
+or https://www.t29.dk/antiantivirus.txt. </p>
<blockquote>
<pre>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<h2><a name="daily">Preventing daily mail status reports from being blocked </a></h2>
<p>The following is quoted from Jim Seymour's Pflogsumm FAQ at
-http://jimsun.linxnet.com/downloads/pflogsumm-faq.txt. Pflogsumm
+https://jimsun.linxnet.com/downloads/pflogsumm-faq.txt. Pflogsumm
is a program that analyzes Postfix logs, including the logging from
rejected mail. If these logs contain text that was rejected by
Postfix body_checks patterns, then the logging is also likely to
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<ul>
<li> <p> The original cdb library from Daniel Bernstein, available
-from http://cr.yp.to/cdb.html, and </p>
+from https://cr.yp.to/cdb.html, and </p>
<li> <p> tinycdb (version 0.5 and later) from Michael Tokarev,
-available from http://www.corpit.ru/mjt/tinycdb.html. </p>
+available from https://www.corpit.ru/mjt/tinycdb.html. </p>
</ul>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
use of external filters and standard protocols because this allows
you to choose the best MTA and the best content inspection software
for your purpose. Information about external content inspection
-software can be found on the Postfix website at http://www.postfix.org/,
+software can be found on the Postfix website at https://www.postfix.org/,
and on the postfix-users@postfix.org mailing list. </p>
</body>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
that they can store only limited amounts of data. To build Postfix
with
Berkeley DB support you need to download and install the source
-code from http://www.oracle.com/database/berkeley-db/. </p>
+code from https://www.oracle.com/database/technologies/related/berkeleydb.html. </p>
<p> Warning: some Linux system libraries use Berkeley DB, as do
some third-party libraries such as SASL. If you compile Postfix
</blockquote>
<p> More information is available at
-http://www.oracle.com/database/berkeley-db/. </p>
+https://www.oracle.com/database/technologies/related/berkeleydb.html. </p>
</body>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<p> If the command produces compiler error messages, it may be time
to search the web or to ask the postfix-users@postfix.org mailing
list, but be sure to search the mailing list archives first. Some
-mailing list archives are linked from http://www.postfix.org/. </p>
+mailing list archives are linked from https://www.postfix.org/. </p>
<h2> <a name="5">5 - Porting Postfix to an unsupported system</a> </h2>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<p> Postfix uses the same SMTP protocol over IPv6 as it already
uses over the older IPv4 network, and does AAAA record lookups in
-the DNS in addition to the older A records. Information about IPv6
-can be found at http://www.ipv6.org/. </p>
+the DNS in addition to the older A records. </p>
<p> This document provides information on the following topics:
</p>
<li> <p> Dean Strik extended IPv6 support to platforms other than
KAME and USAGI, updated the patch to keep up with Postfix development,
and provided a combined IPv6 + TLS patch. Information about his
-effort can be found on Dean Strik's Postfix website at
-http://www.ipnet6.org/postfix/. </p>
+effort is found in an archived copy of Dean Strik's Postfix website at
+https://web.archive.org/web/20080603102834/http://www.ipnet6.org/postfix/. </p>
<li> <p> Wietse Venema took Dean Strik's IPv6 patch, merged it into
Postfix 2.2, and took the opportunity to eliminate all IPv4-specific
-<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+s!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
</pre>
</blockquote>
-<p> If you're using the libraries from the UM distribution
-(http://www.umich.edu/~dirsvcs/ldap/ldap.html) or OpenLDAP
-(http://www.openldap.org), something like this in the top level of
+<p> If you're using the libraries from OpenLDAP
+(https://www.openldap.org), something like this in the top level of
your Postfix source tree should work: </p>
<blockquote>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
-<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN" "https://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Postfix MongoDB Howto</title>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
which can be obtained from: </p>
<blockquote>
- <p> http://www.mysql.com/downloads/ </p>
+ <p> https://www.mysql.com/downloads/ </p>
</blockquote>
<p> In order to build Postfix with mysql map support, you will need to add
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<p> A description of how to use pcre tables, including examples,
is given in the pcre_table(5) manual page. Information about PCRE
-itself can be found at http://www.pcre.org/. </p>
+itself can be found at https://www.pcre.org/. </p>
<h2>Using Postfix packages with PCRE support</h2>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<head>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<head>
<li> <p> The fourth layer provides heavy-weight content inspection
with external content filters. Typical examples are <a
-href="http://www.ijs.si/software/amavisd/">Amavisd-new</a>, <a
-href="http://spamassassin.apache.org/">SpamAssassin</a>, and <a
+href="http
s://www.ijs.si/software/amavisd/">Amavisd-new</a>, <a
+href="http
s://spamassassin.apache.org/">SpamAssassin</a>, and <a
href="MILTER_README.html">Milter applications</a>. </p>
</ul>
<p> The tlsproxy(8) implementation led to the discovery of a "new"
class of vulnerability (<a
-href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0411"
+href="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0411"
>CVE-2011-0411</a>) that affected multiple implementations of SMTP,
POP, IMAP, NNTP, and FTP over TLS. </p>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
"active" and "incoming" queues
large and not shrinking despite very large delivery agent
process limits. The thread is archived at:
-http://groups.google.com/groups?threadm=c0b7js$2r65$1@FreeBSD.csie.NCTU.edu.tw
-and
-http://archives.neohapsis.com/archives/postfix/2004-02/thread.html#1371
+https://web.archive.org/web/20120227170207/http://archives.neohapsis.com/archives/postfix/2004-02/thread.html#1371
</p>
<p> Using an older version of qshape(1) it was quickly determined
address class names, and URLs. Therefore you should not hyperlink
those elements yourself.
-- URLs (such as "http://www.example.com") cannot contain quote, comma,
+- URLs (such as "https://www.example.com") cannot contain quote, comma,
or space characters.
- An URL that appears at the end of a line must be followed by one
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<head>
<p> Dovecot is a POP/IMAP server that has its own configuration to
authenticate POP/IMAP clients. When the Postfix SMTP server uses
Dovecot SASL, it reuses parts of this configuration. Consult the
-<a href="http://wiki.dovecot.org">Dovecot documentation</a> for how
+<a href="https://wiki.dovecot.org">Dovecot documentation</a> for how
to configure and operate the Dovecot authentication server. </p>
<h4><a name="server_dovecot_comm">Postfix to Dovecot SASL communication</a></h4>
<strong>Note</strong>
<p> Read the chapter "Using SASL" in the <a
-href="http://www.openldap.org/doc/admin">OpenLDAP Admin Guide</a>
+href="https://www.openldap.org/doc/admin">OpenLDAP Admin Guide</a>
for more detailed instructions to set up SASL authentication in
OpenLDAP. </p>
<p> The <strong>mmencode</strong> command is part of the metamail
software. </p>
-<li> <p> Using Perl <b>MIME::Base64</b> (from http://www.cpan.org/): </p>
+<li> <p> Using Perl <b>MIME::Base64</b> (from https://www.cpan.org/): </p>
<blockquote>
<pre>
</blockquote>
<p> The <strong>gen-auth</strong> Perl script was written by John
-Jetmore and can be found at http://jetmore.org/john/code/gen-auth. </p>
+Jetmore and can be found at https://jetmore.org/john/code/gen-auth. </p>
</ul>
<blockquote> <i> This library is being deprecated and applications
should transition to using the SASLv2 library</i> (source: <a
-href="http://www.cyrusimap.org/download.html">Project Cyrus:
+href="https://www.cyrusimap.org/download.html">Project Cyrus:
Downloads</a>). </blockquote>
<p> If you still need to set it up, here's a quick rundown: </p>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
any destination. On today's Internet, spammers abuse servers that
forward mail from arbitrary systems, and abused systems end up on
anti-spammer denylists. See, for example, the information on
-http://www.mail-abuse.org/ and other websites. </p>
+https://www.spamhaus.org/ and other websites. </p>
<p> By default, Postfix has a moderately restrictive approach to
mail relaying. Postfix forwards mail only from clients in trusted
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
examples/smtpd-policy. </p>
<p> Another example of policy delegation is the SPF policy server
-at https://web.archive.org/web/20190221142057/http://www.openspf.org/Software. </p>
+at http://www.open-spf.org/Software/ </p>
<p> Policy delegation is now the preferred method for adding policies
to Postfix. It's much easier to develop a new feature in few lines
4 reject_unauth_destination
5 check_policy_service {
6 inet:host:port1,
-7 { default_action = 451 4.3.5 See http://www.example.com/support1 }
+7 { default_action = 451 4.3.5 See https://www.example.com/support1 }
8 }
9 ...
</pre>
<h2><a name="greylist">Example: greylist policy server</a></h2>
<p> Greylisting is a defense against junk email that is described at
-http://www.greylisting.org/. The idea was discussed on the
+https://www.greylisting.org/. The idea was discussed on the
postfix-users mailing list <a
-href="http://archives.neohapsis.com/archives/postfix/2002-03/0846.html">
-one year before it was popularized</a>. </p>
+href="https://marc.info/?l=postfix-users&m=101594914212564&w=2">
+one year before it was popularized</a> (<a
+href="http://archives.neohapsis.com/archives/postfix/2002-03/0846.html">alternative
+version</a>). </p>
<p> The file examples/smtpd-policy/greylist.pl in the Postfix source
tree implements a simplified greylist policy server. This server
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<p> This affects the conversion of domain names that contain for
example the German sz (ß) and the Greek zeta (ς). See
-http://unicode.org/cldr/utility/idna.jsp for more examples. </p>
+https://unicode.org/cldr/utility/idna.jsp for more examples. </p>
<h2> <a name="credits">Credits</a> </h2>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
which can be obtained from: </p>
<blockquote>
- <p> http://www.sqlite.org/ </p>
+ <p> https://www.sqlite.org/ </p>
</blockquote>
<p> In order to build Postfix with sqlite map support, you will
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<p> Postfix should work out of the box without change on a stand-alone
machine that has direct Internet access. At least, that is how
Postfix installs when you download the Postfix source code via
-http://www.postfix.org/. </p>
+https://www.postfix.org/. </p>
<p> You can use the command "<b>postconf -n</b>" to find out what
settings are overruled by your main.cf. Besides a few pathname
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
condition, increase the process count in master.cf or reduce the
service time per client
Oct 3 20:39:27 spike postfix/master[28905]: warning: see
- <a href="http://www.postfix.org/STRESS_README.html">http://www.postfix.org/STRESS_README.html</a> for examples of
+ <a href="https://www.postfix.org/STRESS_README.html">https://www.postfix.org/STRESS_README.html</a> for examples of
stress-adapting configuration settings
</pre>
<li> <p> You can automatically turn on the above overload measure
with Postfix 2.5 and later, or with earlier releases that contain
the stress-adaptive behavior source code patch from the mirrors
-listed at http://www.postfix.org/download.html. Simply replace line
+listed at https://www.postfix.org/download.html. Simply replace line
above 8 with: </p>
<pre>
<p> See the section "<a href="#adapt">Automatic stress-adaptive
behavior</a>" if you are running Postfix version 2.5 or later, or
if you have applied the source code patch for stress-adaptive
-behavior from the mirrors listed at http://www.postfix.org/download.html.
+behavior from the mirrors listed at https://www.postfix.org/download.html.
</p>
<p> The following measures can be applied temporarily during overload.
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
related features were new with Postfix 2.3, the issue was well
understood before Postfix 1.0, when Lutz Jänicke was designing
the first unofficial Postfix TLS patch. See his original post <a
-href="http://www.imc.org/ietf-apps-tls/mail-archive/msg00304.html">http://www.imc.org/ietf-apps-tls/mail-archive/msg00304.html</a>
+href="https://web.archive.org/web/20070816181658/http://www.imc.org/ietf-apps-tls/mail-archive/msg00304.html">https://web.archive.org/web/20070816181658/http://www.imc.org/ietf-apps-tls/mail-archive/msg00304.html</a>
and the first response <a
-href="http://www.imc.org/ietf-apps-tls/mail-archive/msg00305.html">http://www.imc.org/ietf-apps-tls/mail-archive/msg00305.html</a>.
+href="https://web.archive.org/web/20070807073846/http://www.imc.org/ietf-apps-tls/mail-archive/msg00305.html">https://web.archive.org/web/20070807073846/http://www.imc.org/ietf-apps-tls/mail-archive/msg00305.html</a>.
The problem is not even unique to SMTP or even TLS, similar issues exist
for secure connections via aliases for HTTPS and Kerberos. SMTP merely
uses indirect naming (via MX records) more frequently. </p>
<p> Note: Disabling LEGACY_SERVER_CONNECT is not wise at this
time, lots of servers are still unpatched and Postfix is <a
-href="http://www.postfix.org/wip.html#tls-renegotiation">not
+href="https://www.postfix.org/wip.html#tls-renegotiation">not
significantly vulnerable</a> to the renegotiation issue in the TLS
protocol. </p>
<h2> <a name="problems"> Reporting problems </a> </h2>
<p> Problems are preferably reported via <postfix-users@postfix.org>.
-See http://www.postfix.org/lists.html for subscription information.
+See https://www.postfix.org/lists.html for subscription information.
When reporting a problem, please be thorough in the report. Patches,
when possible, are greatly appreciated too. </p>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<li> <p> Solaris kernel parameters can be specified in /etc/system,
as described in the <a
-href="http://www.science.uva.nl/pub/solaris/solaris2.html#q3.48">Solaris
+href="https://web.archive.org/web/20070214110126/http://www.science.uva.nl/pub/solaris/solaris2.html#q3.48">Solaris
FAQ</a> entry titled "How can I increase the number of file
descriptors per process?" </p>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<ul>
<li> Jim Seymour's guide for using UUCP over TCP at
-http://jimsun.LinxNet.com/jdp/uucp_over_tcp/index.html,
+https://jimsun.LinxNet.com/jdp/uucp_over_tcp/index.html,
<li> Craig Sanders's guide for SSL-encrypted UUCP over TCP
using stunnel at http://taz.net.au/postfix/uucp/.
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
</p>
<p> The VERP concept was popularized by the qmail MTA and by the ezmlm
-mailing list manager. See http://cr.yp.to/proto/verp.txt for the
+mailing list manager. See https://cr.yp.to/proto/verp.txt for the
ideas behind this concept. </p>
<p> Topics covered in this document: </p>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
+ "https://www.w3.org/TR/html4/loose.dtd">
<html>
<p> The maximal number of digits after the decimal point when logging
sub-second delay values. Specify a number in the range 0..6. </p>
-<p> Large delay values are rounded off to an integral number of seconds;
-delay values below the delay_logging_resolution_limit are logged
-as "0", and delay values under 100s are logged with at most two-digit
-precision. </p>
+<ul>
+
+<li> <p> Delays ≥ 100s are rounded off to an integral number of
+seconds. </p>
+
+<li> <p> Delays < 10^-$delay_logging_resolution_limit are
+rounded off to "0". </p>
+
+<li> <p> Other delays are rounded off to two significant digits,
+or fewer if the result would exceed the delay_resolution_limit. </p>
+
+</ul>
<p> The format of the "delays=a/b/c/d" logging is as follows: </p>
used for DNS lookups. Specify "yes" for compatibility with Postfix
≤ 3.1 (not recommended). This affects the conversion of domain
names that contain for example the German sz and the Greek zeta.
-See http://unicode.org/cldr/utility/idna.jsp for more examples.
+See https://unicode.org/cldr/utility/idna.jsp for more examples.
</p>
<p> This feature is available in Postfix 3.2 and later. </p>
# This map cannot be used for security-sensitive information,
# because neither the connection nor the server are authenticated.
# SEE ALSO
-# http://cr.yp.to/proto/netstrings.txt, netstring definition
+# https://cr.yp.to/proto/netstrings.txt, netstring definition
# postconf(1), Postfix supported lookup tables
# postmap(1), Postfix lookup table manager
# regexp_table(5), format of regular expression tables
pipe pipe c postfix postfix c postscreen postscreen_dnsbl c
qmgr qmgr_entry c qmqpd qmqpd_peer c smtp smtp h
Piekert File tlsproxy tlsproxy c
+ dns dns h examples smtpd policy README SPF html index html
+ postfix postfix c proto ADDRESS_CLASS_README html
+proto proto socketmap_table qmqpd qmqpd c tls tls_misc c
+ proto socketmap_table qmqpd qmqpd c tls tls_misc c
Verrier
unescaped
dereferenced
+MEMCACHE
+sed
gmail
backupmx
noreply
+DTD
+TR
+berkeleydb
+doctype
+dtd
/*-
* TLSA: https://tools.ietf.org/html/rfc6698#section-7.1
- * RRSIG: http://tools.ietf.org/html/rfc4034#section-3
+ * RRSIG: https://tools.ietf.org/html/rfc4034#section-3
*
* We don't request RRSIG, but we get it "for free" when we send the DO-bit.
*/
* Patches change both the patchlevel and the release date. Snapshots have no
* patchlevel; they change the release date only.
*/
-#define MAIL_RELEASE_DATE "20241113"
+#define MAIL_RELEASE_DATE "20241121"
#define MAIL_VERSION_NUMBER "3.10"
#ifdef SNAPSHOT
serv->ext_name, serv->name, serv->max_proc);
msg_warn("to avoid this condition, increase the process count "
"in master.cf or reduce the service time per client");
- msg_warn("see http://www.postfix.org/STRESS_README.html for "
+ msg_warn("see https://www.postfix.org/STRESS_README.html for "
"examples of stress-adapting configuration settings");
}
}
*/
if (compat_level < compat_level_from_string(LAST_COMPAT_LEVEL, msg_panic)) {
msg_info("Postfix is using backwards-compatible default settings");
- msg_info("See http://www.postfix.org/COMPATIBILITY_README.html "
+ msg_info("See https://www.postfix.org/COMPATIBILITY_README.html "
"for details");
msg_info("To disable backwards compatibility use \"postconf "
VAR_COMPAT_LEVEL "=%s\" and \"postfix reload\"",
/* .IP "\fBservice_name (read-only)\fR"
/* The master.cf service name of a Postfix daemon process.
/* SEE ALSO
-/* http://cr.yp.to/proto/qmqp.html, QMQP protocol
+/* https://cr.yp.to/proto/qmqp.html, QMQP protocol
/* cleanup(8), message canonicalization
/* master(8), process manager
/* postlogd(8), Postfix logging
* explicit assignments to initialize pointers.
*
* See the C language FAQ item 5.17, or if you have time to burn,
- * http://www.google.com/search?q=zero+bit+null+pointer
+ * https://www.google.com/search?q=zero+bit+null+pointer
*
* However, it's OK to use memset() to zero integer values.
*/
/*
/* midna_domain_pre_chroot() does some pre-chroot initialization.
/* SEE ALSO
-/* http://unicode.org/reports/tr46/ Unicode IDNA Compatibility processing
+/* https://unicode.org/reports/tr46/ Unicode IDNA Compatibility processing
/* msg(3) diagnostics interface
/* DIAGNOSTICS
/* Fatal errors: memory allocation problem.
/* .fi
/* The Secure Mailer license must be distributed with this software.
/* SEE ALSO
-/* http://cr.yp.to/proto/netstrings.txt, netstring definition
+/* https://cr.yp.to/proto/netstrings.txt, netstring definition
/* AUTHOR(S)
/* Wietse Venema
/* IBM T.J. Watson Research
/*
* Security properties as specified in the Dovecot protocol. See
- * http://wiki.dovecot.org/Authentication_Protocol.
+ * https://doc.dovecot.org/2.3/developer_manual/design/auth_protocol/
*/
static const NAME_MASK xsasl_dovecot_serv_sec_props[] = {
"plaintext", SEC_PROPS_NOPLAINTEXT,
projects / thirdparty / postfix.git / commitdiff
