Werk #16059: Fix possible failed notifications running in docker environment

Component Notifications
Title Fix possible failed notifications running in docker environment
Date Sep 22, 2023
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.3.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.2.0p11 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0p34 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

Werk #15941 already fixed failed notifications on appliances if one recipient had no Email address configured.

We have now seen the same behaviour when running Checkmk in a docker container because Nullmailer can not handle such recipients.

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