Redmine 5.0 stable Mention User function doesn't send mail notification
Redmine Installation Info: Remdmine 5.0.0 Stable
when updating description or contents of issue with @ function, users list could be shown correctly, but no mail notification sent to the user. user name format is GivenName.FamilyName
I've searched the history problem related to mention user function, and try with the latest R21665, but still doesn't working.
user account notification setting refer to the attachment
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