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Check manual page of postfix_mailq

Checkmk Manual

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Postfix: Mailqueue Length

Distribution: official part of Check_MK
License: GPL
Supported Agents: Linux

This check monitors the number of deferred mails in the outgoing mail queue, as sent by the linux agent of Checkmk. Depending on the version of the Checkmk agent the number of mails in the active queue is monitored as well.

This check creates one service per host which represents the state of the mailqueues.

The check will result in WARNING/CRITICAL states when the number of items in the queues have reached the defined thresholds.


Name of the Postfix queue


One service is created on each system which provides the postconf.