Is there a way that NEW tickets can be prevented / disallowed via emails BUT still allow a customer to reply to a questions sent from an issue or a notification from an issue that logs a comment in the issue.
DON'T WANT = New tickets created via emails sent to our email address.
WANT = Customer email reply to question sent from JSD issue to log a comment in the issue.
WANT = Customer email reply to a notification sent from JSD issue to log a comment in the issue.