[JIRA] (JENKINS-14980) "User unknown" in Email leads to exception, making job failed

Martin Jost commented on JENKINS-14980

"User unknown" in Email leads to exception, making job failed

This is what I find in plugins/email-ext/META-INF/MANIFEST.MF: Implementation-Version: 2.19-SNAPSHOT Is this the correct info ? [Sorry, I'm not doing Jenkins admin - so I'm a beginner in this regard]

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