Postfix

Cheatsheet

• Delete all emails from Postfix mail queue

postsuper -d ALL

• Delete all deferred emails from Postfix mail queue

postsuper -d ALL deferred

• Delete emails from a specific email (from or to)

mailq | tail -n +2 | awk 'BEGIN { RS = "" } /admin@grdru\.com/ { print $1 }' | tr -d '*!' | postsuper -d -

• Regenerate Index after editing the text file

postmap /etc/postfix/virtual

Installation

Configuration

1. main.cf

mailbox_transport = cyrus

1. master.cf

# The Cyrus deliver program has changed incompatibly, multiple times.
cyrus     unix  -   n   n   -   -   pipe
  flags=R user=cyrus argv=/usr/sbin/cyrdeliver -e -m "${extension}" ${user}

mailbox_transport = lmtp:unix:/var/run/lmtp

lmtp      unix  -       -       n       -       -       lmtp

adduser postfix mail

saslpasswd2 -c cyrus