Postfix Queue Management

If emails are getting delayed, its better to inspect postfix mail queues, coupled with postfix mail log.

Status/Shape of Mail Queue

Postfix maintains different queues for different purpose.active  and  deferred queues are of our interest.
Ideally, we should never have a mail in deferred queue.
qshape command will show shape of active mail queue by default. Ideally it should be as close as to empty since postfix sends email instantly!

qshape

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