Quite often when invoices, reminders etc are generated, we get an auto-response from the client (it could be an out of office email). These open new tickets which then email the client (again) to say they've opened a ticket (which they didn't want to do).
Can these auto response emails somehow be filtered out?
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Thanks for suggestion.
WHMCS will automatically filter emails if a number of auto-responders are received in a 15 minute period: https://docs.whmcs.com/Support_Tab#Ticket_Reply_Email_Limit
This setting could be reduced to stop more than 1 or 2 auto-responses. The difficulty in preventing all emails entirely is being able to reliably determine an auto-responder from a genuine message, there isn't anything in the email headers themselves to differentiate them.
If there were any suggestions on how this might be achieved, that would be a good topic for discussion.