Postfix Monitoring Plugins
Monitor your Postfix mail server health, queue performance, version compliance, and rate limits with dedicated Icinga plugins.
Postfix is one of the most widely deployed open-source mail transfer agents, making its reliability critical for business communications. These plugins enable proactive monitoring of mail queues, greylisting daemons, version lifecycle status, and rate limit enforcement to ensure uninterrupted mail delivery.

Mail Queue Check
Monitors mail queue length for sendmail, postfix, qmail, exim, and nullmailer MTAs
Postfix Greylist Policy Daemon Check
Monitors Postfix greylisting policy daemon health by testing TCP policy responses
Postfix Version Check
Icinga plugin to check installed Postfix version against EOL dates and available updates
Postfwd Rate Limit Check
Icinga plugin to check postfwd rate limits and detect senders exceeding sending thresholds
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