I'm experiencing a bit of a problem using osTicket. When a user creates a ticket via mail, and an agent replies using osTicket the ticket and ticket will be in a different thread.Whenever an agent sends another reply the said problem will repeat it's self, creating a new mail thread.
osTicket versie
v1.9.12 (19292ad)
— Up to date
Web Server Software
Apache/2.4.9 (Win32) PHP/5.5.12
MySQLversie
5.6.17
PHPversie
5.5.12