Postfix: Manage Email Queue

Check the mailq:

# /usr/local/psa/admin/bin/mailqueuemng -s

qshape  incoming active hold deferred corrupt | head

View 5 of the items for a certain domain:

# /usr/local/psa/admin/bin/mailqueuemng -s | grep -C 5 [email protected]

To remove specific emails from a domain:

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

Or

# mailq | tail -n +2 | grep -v '^ *(' | awk  'BEGIN { RS = "" } { if ($8 == "[email protected]" && $9 == "") print $1 } ' | tr -d '*!' | postsuper -d -