[monitoring-plugins] Merge pull request #1715 from ghen2/lmtp

[GitHub]

    Module: monitoring-plugins
    Branch: master
    Commit: bc6effd2b53e58bb8aec6fc4b4465a3927b518d2
    Author: RincewindsHat <12514511+rincewinds...@users.noreply.github.com>
 Committer: GitHub <nore...@github.com>
      Date: Thu Nov 11 18:04:06 2021 +0100
       URL: 
https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=bc6effd

Merge pull request #1715 from ghen2/lmtp

check_smtp: add -L flag to support LMTP (LHLO instead of HELO/EHLO).

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