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OSTicket No longer sending emails!
I have had OSTicket running fine for over a year now and for some reason all of a sudden starting this week or last week emails are no longer being sent from OSTicekt to our customers. What I mean is whenever I post a reply it doesn't send them an email. I can see that it is still fetching emails from the same account and creating tickets for those but just won't send any.
I have not made any changes since last year so I am not sure what to do.
What information can I give you to help me figure this out or where can I look to start debugging this issue?