[monitoring-plugins] Merge pull request #1192 from waja/github972

[GitHub]

    Module: monitoring-plugins
    Branch: master
    Commit: 40dc41225a3ce86bd6f1f446920cd5a6c32b8443
    Author: Lorenz <12514511+RincewindsHat at users.noreply.github.com>
 Committer: GitHub <noreply at github.com>
      Date: Sun Mar 12 21:59:13 2023 +0100
       URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=40dc412

Merge pull request #1192 from waja/github972

check_mailq.pl: separate submission queue

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