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1 | .\" | |
2 | .\" Copyright (c) 2008 | |
3 | .\" The DragonFly Project. All rights reserved. | |
4 | .\" | |
5 | .\" Redistribution and use in source and binary forms, with or without | |
6 | .\" modification, are permitted provided that the following conditions | |
7 | .\" are met: | |
8 | .\" | |
9 | .\" 1. Redistributions of source code must retain the above copyright | |
10 | .\" notice, this list of conditions and the following disclaimer. | |
11 | .\" 2. Redistributions in binary form must reproduce the above copyright | |
12 | .\" notice, this list of conditions and the following disclaimer in | |
13 | .\" the documentation and/or other materials provided with the | |
14 | .\" distribution. | |
15 | .\" 3. Neither the name of The DragonFly Project nor the names of its | |
16 | .\" contributors may be used to endorse or promote products derived | |
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18 | .\" | |
19 | .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
20 | .\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
21 | .\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
22 | .\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
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25 | .\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
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31 | .\" | |
32 | .\" $DragonFly: src/libexec/dma/dma.8,v 1.10 2008/09/06 14:17:56 swildner Exp $ | |
33 | .\" | |
34 | .Dd April 22, 2010 | |
35 | .Dt DMA 8 | |
36 | .Os | |
37 | .Sh NAME | |
38 | .Nm dma | |
39 | .Nd DragonFly Mail Agent | |
40 | .Sh SYNOPSIS | |
41 | .Nm | |
42 | .Op Fl DiOt | |
43 | .Op Fl A Ns Ar mode | |
44 | .Op Fl b Ns Ar mode | |
45 | .Op Fl f Ar sender | |
46 | .Op Fl L Ar tag | |
47 | .Op Fl o Ns Ar option | |
48 | .Op Fl r Ar sender | |
49 | .Op Fl q Ns Op Ar arg | |
50 | .Op Ar recipient ... | |
51 | .Sh DESCRIPTION | |
52 | .Nm | |
53 | is a small Mail Transport Agent (MTA), designed for home and office use. | |
54 | It accepts mails from locally installed Mail User Agents (MUA) and | |
55 | delivers the mails either locally or to a remote destination. | |
56 | Remote delivery includes several features like TLS/SSL support and SMTP | |
57 | authentication. | |
58 | .Pp | |
59 | .Nm | |
60 | is not intended as a replacement for real, big MTAs like | |
61 | .Xr sendmail 8 | |
62 | or | |
63 | .Xr postfix 1 . | |
64 | Consequently, | |
65 | .Nm | |
66 | does not listen on port 25 for incoming connections. | |
67 | .Pp | |
68 | The options are as follows: | |
69 | .Bl -tag -width indent | |
70 | .It Fl A Ns Ar mode | |
71 | .Fl \&Ac | |
72 | acts as a compatibility option for sendmail. | |
73 | .It Fl b Ns Ar mode | |
74 | .Bl -tag -width indent | |
75 | .It Fl bp | |
76 | List all mails currently stored in the mail queue. | |
77 | .It Fl bq | |
78 | Queue the mail, but don't attempt to deliver it. | |
79 | See also the | |
80 | .Sq DEFER | |
81 | config file setting below. | |
82 | .El | |
83 | .Pp | |
84 | All other | |
85 | .Ar mode Ns | |
86 | s are are ignored. | |
87 | .It Fl D | |
88 | Don't run in the background. | |
89 | Useful for debugging. | |
90 | .It Fl f Ar sender | |
91 | Set sender address (envelope-from) to | |
92 | .Ar sender . | |
93 | This overrides the value of the environment variable | |
94 | .Ev EMAIL . | |
95 | .It Fl i | |
96 | Ignore dots alone on lines by themselves in incoming messages. | |
97 | This should be set if you are reading data from a file. | |
98 | .It Fl L Ar tag | |
99 | Set the identifier used in syslog messages to the supplied | |
100 | .Ar tag . | |
101 | This is a compatibility option for sendmail. | |
102 | .It Fl O | |
103 | This is a compatibility option for sendmail. | |
104 | .It Fl o Ns Ar option | |
105 | Specifying | |
106 | .Fl oi | |
107 | is synonymous to | |
108 | .Fl i . | |
109 | All other options are ignored. | |
110 | .It Fl q Ns Op Ar arg | |
111 | Process saved messages in the queue. | |
112 | The argument is optional and ignored. | |
113 | .It Fl r Ar sender | |
114 | Same as | |
115 | .Fl f . | |
116 | .It Fl t | |
117 | Obtain recipient addresses from the message header. | |
118 | .Nm | |
119 | will parse the | |
120 | .Li To: , | |
121 | .Li Cc: , | |
122 | and | |
123 | .Li Bcc: | |
124 | headers. | |
125 | The | |
126 | .Li Bcc: | |
127 | header will be removed independent of whether | |
128 | .Fl t | |
129 | is specified or not. | |
130 | .El | |
131 | .Sh CONFIGURATION | |
132 | .Nm | |
133 | can be configured with three config files: | |
134 | .Pp | |
135 | .Bl -bullet -compact | |
136 | .It | |
137 | auth.conf | |
138 | .It | |
139 | dma.conf | |
140 | .El | |
141 | .Pp | |
142 | These three files are stored per default in | |
143 | .Pa /etc/dma . | |
144 | .Sh FILE FORMAT | |
145 | Every file contains parameters of the form | |
146 | .Sq name value . | |
147 | Lines containing boolean values are set to | |
148 | .Sq NO | |
149 | if the line is commented and to | |
150 | .Sq YES | |
151 | if the line is uncommented. | |
152 | Empty lines or lines beginning with a | |
153 | .Sq # | |
154 | are ignored. | |
155 | Parameter names and their values are case sensitive. | |
156 | .Sh PARAMETERS | |
157 | .Ss auth.conf | |
158 | SMTP authentication can be configured in | |
159 | .Pa auth.conf . | |
160 | Each line has the format | |
161 | .Dq Li user|smarthost:password . | |
162 | .Ss dma.conf | |
163 | Most of the behaviour of | |
164 | .Nm | |
165 | can be configured in | |
166 | .Pa dma.conf . | |
167 | .Bl -tag -width 4n | |
168 | .It Ic SMARTHOST Xo | |
169 | (string, default=empty) | |
170 | .Xc | |
171 | If you want to send outgoing mails via a smarthost, set this variable to | |
172 | your smarthosts address. | |
173 | .It Ic PORT Xo | |
174 | (numeric, default=25) | |
175 | .Xc | |
176 | Use this port to deliver remote emails. | |
177 | Only useful together with the | |
178 | .Sq SMARTHOST | |
179 | option, because | |
180 | .Nm | |
181 | will deliver all mails to this port, regardless of whether a smarthost is set | |
182 | or not. | |
183 | .It Ic ALIASES Xo | |
184 | (string, default=/etc/aliases) | |
185 | .Xc | |
186 | Path to the local aliases file. | |
187 | Just stick with the default. | |
188 | .It Ic SPOOLDIR Xo | |
189 | (string, default=/var/spool/dma) | |
190 | .Xc | |
191 | Path to | |
192 | .Nm Ap s | |
193 | spool directory. | |
194 | Just stick with the default. | |
195 | .It Ic AUTHPATH Xo | |
196 | (string, default=not set) | |
197 | .Xc | |
198 | Path to the | |
199 | .Sq auth.conf | |
200 | file. | |
201 | .It Ic SECURETRANS Xo | |
202 | (boolean, default=commented) | |
203 | .Xc | |
204 | Uncomment if you want TLS/SSL secured transfer. | |
205 | .It Ic STARTTLS Xo | |
206 | (boolean, default=commented) | |
207 | .Xc | |
208 | Uncomment if you want to use STARTTLS. | |
209 | Only useful together with | |
210 | .Sq SECURETRANS . | |
211 | .It Ic OPPORTUNISTIC_TLS Xo | |
212 | (boolean, default=commented) | |
213 | .Xc | |
214 | Uncomment if you want to allow the STARTTLS negotiation to fail. | |
215 | Most useful when | |
216 | .Nm | |
217 | is used without a smarthost, delivering remote messages directly to | |
218 | the outside mail exchangers; in opportunistic TLS mode, the connection will | |
219 | be encrypted if the remote server supports STARTTLS, but an unencrypted | |
220 | delivery will still be made if the negotiation fails. | |
221 | Only useful together with | |
222 | .Sq SECURETRANS | |
223 | and | |
224 | .Sq STARTTLS . | |
225 | .It Ic CERTFILE Xo | |
226 | (string, default=empty) | |
227 | .Xc | |
228 | Path to your SSL certificate file. | |
229 | .It Ic SECURE Xo | |
230 | (boolean, default=commented) | |
231 | .Xc | |
232 | Uncomment this entry and change it to | |
233 | .Sq INSECURE | |
234 | to use plain text SMTP login over an insecure connection. | |
235 | You have to rename this variable manually to prevent that you send your | |
236 | password accidentally over an insecure connection. | |
237 | .It Ic DEFER Xo | |
238 | (boolean, default=commented) | |
239 | .Xc | |
240 | Uncomment if you want that | |
241 | .Nm | |
242 | defers your mail. | |
243 | You have to flush your mail queue manually with the | |
244 | .Fl q | |
245 | option. | |
246 | This option is handy if you are behind a dialup line. | |
247 | .It Ic FULLBOUNCE Xo | |
248 | (boolean, default=commented) | |
249 | .Xc | |
250 | Uncomment if you want the bounce message to include the complete original | |
251 | message, not just the headers. | |
252 | .It Ic MAILNAME Xo | |
253 | (string, default=empty) | |
254 | .Xc | |
255 | The internet hostname | |
256 | .Nm | |
257 | uses to identify the host. | |
258 | If not set or empty, the result of | |
259 | .Xr gethostname 2 | |
260 | is used. | |
261 | If | |
262 | .Sq MAILNAME | |
263 | is an absolute path to a file, the first line of this file will be used | |
264 | as the hostname. | |
265 | .El | |
266 | .Ss Environment variables | |
267 | The behavior of | |
268 | .Nm | |
269 | can be influenced by some environment variables. | |
270 | .Pp | |
271 | .Bl -tag -width 4n | |
272 | .It Ev EMAIL Xo | |
273 | .Xc | |
274 | Used to set the sender address (envelope-from). | |
275 | Use a plain address, in the form of | |
276 | .Li user@example.com . | |
277 | This value will be overridden when the | |
278 | .Fl f | |
279 | flag is used. | |
280 | .El | |
281 | .Sh SEE ALSO | |
282 | .Xr mailaddr 7 , | |
283 | .Xr mailwrapper 8 , | |
284 | .Xr sendmail 8 | |
285 | .Rs | |
286 | .%A "J. B. Postel" | |
287 | .%T "Simple Mail Transfer Protocol" | |
288 | .%O RFC 821 | |
289 | .Re | |
290 | .Rs | |
291 | .%A "J. Myers" | |
292 | .%T "SMTP Service Extension for Authentication" | |
293 | .%O RFC 2554 | |
294 | .Re | |
295 | .Rs | |
296 | .%A "P. Hoffman" | |
297 | .%T "SMTP Service Extension for Secure SMTP over TLS" | |
298 | .%O RFC 2487 | |
299 | .Re | |
300 | .Sh HISTORY | |
301 | The | |
302 | .Nm | |
303 | utility first appeared in | |
304 | .Dx 1.11 . | |
305 | .Sh AUTHORS | |
306 | .Nm | |
307 | was written by | |
308 | .An Matthias Schmidt Aq matthias@dragonflybsd.org | |
309 | and | |
310 | .An Simon Schubert Aq corecode@dragonflybsd.org . |