This repository is a docker image for postfix.
Start the server:
docker build . -t postfix
docker run --rm --name pf postfix
Start a shell inside the container:
docker exec -it pf bash
List of users created in this container
uid=5000 gid=5000 groups=mail
uid=101 gid=102 groups=postfix
The content of this variable will overwrite everything in /etc/postfix/main.cf
.
The content of this variable will overwrite everything in /etc/postfix/master.cf
.
The content of this variable will overwrite everything in /etc/postfix/virtual_mailbox_domains.cf
The content of this variable will overwrite everything in /etc/postfix/virtual_mailbox_maps.cf
The content of this variable will overwrite everything in /etc/postfix/virtual_alias_maps.cf
version: '3'
services:
postfix:
build: .
ports:
- 25:25
- 465:465
- 587:587
environment:
POSTFIX_CONFIG_MAIN_CF: |
smtpd_banner = $$myhostname ESMTP $$mail_name (Debian/GNU)
biff = no
append_dot_mydomain = no
readme_directory = no
compatibility_level = 2
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:$${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:$${data_directory}/smtp_scache
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
myhostname = postfix
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
mydestination = $$myhostname, /etc/mailname, 9bd7189230cb, localhost.localdomain, localhost
relayhost =
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all
POSTFIX_CONFIG_MASTER_CF: |
smtp inet n - y - - smtpd
pickup unix n - y 60 1 pickup
cleanup unix n - y - 0 cleanup
qmgr unix n - n 300 1 qmgr
tlsmgr unix - - y 1000? 1 tlsmgr
rewrite unix - - y - - trivial-rewrite
bounce unix - - y - 0 bounce
defer unix - - y - 0 bounce
trace unix - - y - 0 bounce
verify unix - - y - 1 verify
flush unix n - y 1000? 0 flush
proxymap unix - - n - - proxymap
proxywrite unix - - n - 1 proxymap
smtp unix - - y - - smtp
relay unix - - y - - smtp
showq unix n - y - - showq
error unix - - y - - error
retry unix - - y - - error
discard unix - - y - - discard
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - y - - lmtp
anvil unix - - y - 1 anvil
scache unix - - y - 1 scache
maildrop unix - n n - - pipe
flags=DRhu user=vmail argv=/usr/bin/maildrop -d $${recipient}
uucp unix - n n - - pipe
flags=Fqhu user=uucp argv=uux -r -n -z -a$$sender - $$nexthop!rmail ($$recipient)
ifmail unix - n n - - pipe
flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $$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}