File postfix-master.cf.patch of Package postfix
--- conf/master.cf.orig 2020-04-19 12:30:46.108385239 +0200
+++ conf/master.cf 2020-04-19 12:33:14.899620955 +0200
@@ -10,6 +10,11 @@
# (yes) (yes) (no) (never) (100)
# ==========================================================================
smtp inet n - n - - smtpd
+#amavis unix - - n - 4 smtp
+# -o smtp_data_done_timeout=1200
+# -o smtp_send_xforward_command=yes
+# -o disable_dns_lookups=yes
+# -o max_use=20
#smtp inet n - n - 1 postscreen
#smtpd pass - - n - - smtpd
#dnsblog unix - - n - 0 dnsblog
@@ -17,6 +22,7 @@
#submission inet n - n - - smtpd
# -o syslog_name=postfix/submission
# -o smtpd_tls_security_level=encrypt
+# -o content_filter=smtp:[127.0.0.1]:10024
# -o smtpd_sasl_auth_enable=yes
# -o smtpd_tls_auth_only=yes
# -o smtpd_reject_unlisted_recipient=no
@@ -65,6 +71,26 @@
anvil unix - - n - 1 anvil
scache unix - - n - 1 scache
postlog unix-dgram n - n - 1 postlogd
+#localhost:10025 inet n - n - - smtpd
+# -o content_filter=
+# -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 smtpd_restriction_classes=
+# -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_unknown_recipient_checks,no_header_body_checks,no_address_mappings
+# -o local_header_rewrite_clients=
+# -o local_recipient_maps=
+# -o relay_recipient_maps=
#
# ====================================================================
# Interfaces to non-Postfix software. Be sure to examine the manual
@@ -98,7 +124,7 @@
# Also specify in main.cf: cyrus_destination_recipient_limit=1
#
#cyrus unix - n n - - pipe
-# flags=DRX user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
+# flags=DRX user=cyrus argv=/usr/lib/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
#
# ====================================================================
#
@@ -131,3 +157,10 @@
#mailman unix - n n - - pipe
# flags=FRX user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
# ${nexthop} ${user}
+#
+#procmail unix - n n - - pipe
+# flags=R user=nobody argv=/usr/bin/procmail -t -m /etc/procmailrc ${sender} ${recipient}
+#
+#dovecot unix - n n - - pipe
+# flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d ${recipient}
+#
