# message, not just the headers.
#FULLBOUNCE
-# The name to be used when introducing this host, if different from
-# the result of "hostname". If specified, this overrides MAILNAMEFILE.
+# The internet hostname dma uses to identify the host.
+# If not set or empty, the result of gethostname(2) is used.
+# If MAILNAME is an absolute path to a file, the first line of this file
+# will be used as the hostname.
#MAILNAME mail.example.net
-# The name of the file to read the MAILNAME from; if this file is not
-# present, the result of "hostname" will be used.
-#MAILNAMEFILE /etc/mailname
+# Masquerade envelope from addresses with this address/hostname.
+# Use this if mails are not accepted by destination mail servers because
+# your sender domain is invalid.
+# By default, MASQUERADE is not set.
+# Format: MASQUERADE [user@][host]
+# Examples:
+# MASQUERADE john@ on host "hamlet" will send all mails as john@hamlet
+# MASQUERADE percolator will send mails as $username@percolator, e.g. fish@percolator
+# MASQUERADE herb@ert will send all mails as herb@ert
+
+# Directly forward the mail to the SMARTHOST bypassing aliases and local delivery
+#NULLCLIENT