#postfix

13 one-liners with this tag.

Delete a single message from the Postfix queue

#postsuper -d 4F2A31C0E12

destructiveMail

Delete all deferred mail from the Postfix queue

#postsuper -d ALL deferred

destructiveMail

Delete all mail from one sender in the Postfix queue

#postqueue -p | awk -v s="info@example.com" '/^[0-9A-Za-z]/ && $7 == s {print $1}' | tr -d '*!' | postsuper -d -

destructiveMail

Find a hacked mail account by its SMTP logins

#grep -o "sasl_username=[^ ,]*" /var/log/maillog | sort | uniq -c | sort -rn | head -20

Find permanently rejected emails in the mail log

#grep "status=bounced" /var/log/maillog | tail -n 20

Find the top senders in the Postfix queue

$postqueue -p | awk '/^[0-9A-Za-z]/ {print $7}' | sort | uniq -c | sort -rn | head -20

Flush the Postfix queue and retry delivery now

Regenerate the mail configuration in Plesk (mchk)

#plesk sbin mchk --with-spam

Send a test email from the command line

$printf "Subject: Testmail von %s\n\nTest\n" "$(hostname -f)" | sendmail admin@example.com

Show the Postfix mail queue

Trace delivery for an email address in the mail log

#grep -i "info@example.com" /var/log/maillog | tail -n 50

Trace local PHP mail sending to a system user

#grep "postfix/pickup" /var/log/maillog | grep -o "uid=[0-9]*" | sort | uniq -c | sort -rn | head -10

View the content of a message in the Postfix queue

#postcat -q 4F2A31C0E12