I recently setup a new instance for our Maintenance team and the email notifications worked fine during testing but when more employees started submitting tickets, I've noticed the email notification for the maintenance team doesn't work every time.
Help filter automatically sets the team (and should notify members of that team)
Ticket 122 and 124 successfully notified the maintenance team. But ticket 123 did not.
Exchange Message trace shows time stamps for tickets 121, 122, 124, 125
The logs didn't generate any Mailing Errors
We use the Oauth 2.0 plugin most recent release within the past few weeks for emailing.
In addition to having the Help Topic auto assign a team, I use filters to send emails to additional people who need to be notified of ticket creation. Is it possible these could be interfering with each other? The emails that these filters send out work every time.