Ok these are all good pieces of the puzzle!
I’m going to assume this is a correct statement based on everything that has been said so far:
- When mentioning the
@Supportgroup, several users who do not belong to the group receiveuser_linkednotifications despite there being no link included in the post body or title.
Some other questions that will rule out potential problem areas:
-
If you create a new “Test” group with just yourself as a member, configure it with the same settings as
@Support, and mention this new test group, do the same users get notified? -
If you mention a specific user that is not one of the users receiving the errant notifications, do the affected users still get the
user_linkednotification?
If you can get answers to those, then I’ll work up some commands we can use to check your database in some obvious places.
I still would like to know what plugins you are running. It seems unlikely that a plugin would cause this issue, but you never know. If you want to try disabling you plugins to see if the issue persists, that would be even better.