Browse - Computer Tips - How do I make postfix deliver all waiting mail?
Q. How do I make postfix deliver all waiting mail?
A. Run this command:
You might want to do this if your Internet connection was down but is now
About this option, the man page says:
-f Flush the queue: attempt to deliver all queued mail.
This option implements the traditional "sendmail -q" command, by
contacting the Postfix qmgr(8) daemon.
Warning: flushing undeliverable mail frequently will result in
poor delivery performance of all other mail.