Werk #13669: Fix syntax error if display name is used in notifications on appliances

Component Notifications
Title Fix syntax error if display name is used in notifications on appliances
Date Feb 16, 2022
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.2.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)
2.0.0p21 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

This problem only occured on Checkmk appliances.

If the option "From" - "Display name" was used in notifications, mails could not be sent. The mail log showed "Bad recipient address syntax" errors instead.

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