How to flush the postfix queue

How to flush the postfix queue

For some reason Postfix sometimes get stuck.
To see if there are some email stuck in the queue you can simply type:

oktober# mailq
-Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient-------
38A1BF3B1* 1152 Thu Feb 12 00:22:39

-- 1 Kbytes in 1 Request.

Fortunately there is a little binary called postqueue that can help.

oktober# postqueue -f

to flush the queue (try to deliver all the messages)

More information on the man page of postfix

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