POSTFIX CHEAT SHEET TERMINAL COMMANDS

Delete Email Messages

This will delete ALL emails in the queue.

postsuper -d ALL

To delete all email in the queue from a certain domain run this command. You will have to be logged in as root.

postqueue -p | tail -n +2 | awk 'BEGIN { RS = "" } /@example\.com/ { print 1 }' | tr -d '*!' | postsuper -d -

If you want to delete emails from a specific email address run this command. Make sure you are logged in as root.

postqueue -p | tail -n +2 | awk 'BEGIN { RS = "" } /[email protected]\.com/ { print 1 }' | tr -d '*!' | postsuper -d -

To delete a single message:

postuper -d 070788B31

Check Email Queue

postqueue -p

Flash or resend the queue mails

postqueue -f

Check the basic config of postfix

postconf -n

Check whole config of Postfix

postconf

Renew queue in Postfix

postsuper -r ALL

Reload the configuration after modification to my main.cf or master.cf.

postfix reload</code>
<code>service postfix restart

Check what is going on in /var/log/mail.log

tail -f /var/log/mail.log

To put an email message on hold use this command after you get the id number.

postsuper -h 070788B31

Hold Email Messages

To put on hold all Email messages

postsuper -h ALL

To put on hold messages from [email protected]:

postqueue -p | awk ‘BEGIN { RS = “” } { if (7 == “[email protected]” ) print 1 }’ | tr -d ‘!*’ | postsuper -h –

Release emails from hold

Release single email message:

postsuper -H 070788B31

Release all email messages:

postsuper -H ALL

To release messages just from [email protected]

postqueue -p | awk ‘BEGIN { RS = “” } { if (7 == “[email protected]” ) print 1 }’ | tr -d ‘!*’ | postsuper -H –