Shortest Postfix sudo mail queue command list

Commands

mailq # note the message id – ten (10) alpha key to emails in queue

postcat -vq nnnnnnnnnn

postsuper -d nnnnnnnnnn

cd /etc/postfix; vi virtual; postmap virtual # forwarding

cd /etc/postfix; vi rbl_override; postmap rbl_override #whitelist

Postfix queues: pending and deferred.

Deferred queue is for messages that have soft-failed. Postfix will retry sending deferred emails.