User:Paul/sandbox/Sample master.cf
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WARNING: This article is in a user sandbox, indicating it is a rough draft, and as such, is likely incomplete, contains buggy and insecure configurations, and is subject to substantial and frequent changes.
For reference, see Configure Postfix.
# # Postfix master process configuration file. For details on the format # of the file, see the master(5) manual page (command: "man 5 master"). # # Do not forget to execute "postfix reload" after editing this file. # # ========================================================================== # service type private unpriv chroot wakeup maxproc command + args # (yes) (yes) (yes) (never) (100) # ========================================================================== # SMTP on port 25, unencrypted. smtp inet n - - - - smtpd #smtp inet n - - - 1 postscreen #smtpd pass - - - - - smtpd #dnsblog unix - - - - 0 dnsblog #tlsproxy unix - - - - 0 tlsproxy # SMTP with TLS on port 587. submission inet n - - - - smtpd -o syslog_name=postfix/submission -o smtpd_tls_security_level=encrypt -o smtpd_sasl_auth_enable=yes -o smtpd_enforce_tls=yes -o smtpd_client_restrictions=permit_sasl_authenticated,reject_unauth_destination,reject -o smtpd_sasl_tls_security_options=noanonymous # SMTP over SSL on port 465. smtps inet n - - - - smtpd -o syslog_name=postfix/smtps -o smtpd_tls_wrappermode=yes -o smtpd_sasl_auth_enable=yes -o smtpd_tls_auth_only=yes -o smtpd_client_restrictions=permit_sasl_authenticated,reject_unauth_destination,reject -o smtpd_sasl_security_options=noanonymous,noplaintext -o smtpd_sasl_tls_security_options=noanonymous #628 inet n - - - - qmqpd pickup fifo n - - 60 1 pickup -o content_filter= -o receive_override_options=no_header_body_checks cleanup unix n - - - 0 cleanup qmgr fifo n - n 300 1 qmgr #qmgr fifo n - n 300 1 oqmgr tlsmgr unix - - - 1000? 1 tlsmgr rewrite unix - - - - - trivial-rewrite bounce unix - - - - 0 bounce defer unix - - - - 0 bounce trace unix - - - - 0 bounce verify unix - - - - 1 verify flush unix n - - 1000? 0 flush proxymap unix - - n - - proxymap proxywrite unix - - n - 1 proxymap smtp unix - - - - - smtp relay unix - - - - - smtp # -o smtp_helo_timeout=5 -o smtp_connect_timeout=5 showq unix n - - - - showq error unix - - - - - error retry unix - - - - - error discard unix - - - - - discard local unix - n n - - local virtual unix - n n - - virtual lmtp unix - - - - - lmtp anvil unix - - - - 1 anvil scache unix - - - - 1 scache # # ==================================================================== # Interfaces to non-Postfix software. Be sure to examine the manual # pages of the non-Postfix software to find out what options it wants. # # Many of the following services use the Postfix pipe(8) delivery # agent. See the pipe(8) man page for information about ${recipient} # and other message envelope options. # ==================================================================== # # maildrop. See the Postfix MAILDROP_README file for details. # Also specify in main.cf: maildrop_destination_recipient_limit=1 # maildrop unix - n n - - pipe flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient} # # ==================================================================== # # Recent Cyrus versions can use the existing "lmtp" master.cf entry. # # Specify in cyrus.conf: # lmtp cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4 # # Specify in main.cf one or more of the following: # mailbox_transport = lmtp:inet:localhost # virtual_transport = lmtp:inet:localhost # # ==================================================================== # # Cyrus 2.1.5 (Amos Gouaux) # Also specify in main.cf: cyrus_destination_recipient_limit=1 # #cyrus unix - n n - - pipe # user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user} # # ==================================================================== # Old example of delivery via Cyrus. # #old-cyrus unix - n n - - pipe # flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user} # # ==================================================================== # # See the Postfix UUCP_README file for configuration details. # uucp unix - n n - - pipe flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient) # # Other external delivery methods. # ifmail unix - n n - - pipe flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient) bsmtp unix - n n - - pipe flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient scalemail-backend unix - n n - 2 pipe flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension} mailman unix - n n - - pipe flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py ${nexthop} ${user} # The next two entries integrate with Amavis for anti-virus/spam checks. #amavis unix - - - - 3 smtp # -o smtp_data_done_timeout=1200 # -o smtp_send_xforward_command=yes # -o disable_dns_lookups=yes # -o max_use=20 #127.0.0.1:10025 inet n - - - - smtpd # -o content_filter= # -o local_recipient_maps= # -o relay_recipient_maps= # -o smtpd_restriction_classes= # -o smtpd_delay_reject=no # -o smtpd_client_restrictions=permit_mynetworks,reject # -o smtpd_helo_restrictions= # -o smtpd_sender_restrictions= # -o smtpd_recipient_restrictions=permit_mynetworks,reject # -o smtpd_data_restrictions=reject_unauth_pipelining # -o smtpd_end_of_data_restrictions= # -o mynetworks=127.0.0.0/8 # -o smtpd_error_sleep_time=0 # -o smtpd_soft_error_limit=1001 # -o smtpd_hard_error_limit=1000 # -o smtpd_client_connection_count_limit=0 # -o smtpd_client_connection_rate_limit=0 # -o receive_override_options=no_header_body_checks,no_unknown_recipient_checks # Integration with Dovecot - hand mail over to it for local delivery, and # run the process under the vmail user and mail group. dovecot unix - n n - - pipe flags=DRhu user=vmail:mail argv=/usr/lib/dovecot/dovecot-lda -d $(recipient) # SPF policyd-spf unix - n n - 0 spawn user=policyd-spf argv=/usr/bin/policyd-spf
External links
Postfix Configuration Parameters
A Mailserver on Ubuntu 12.04: Postfix, Dovecot, MySQL | Ex Ratione