Should be a fairly simple code change mate.Open include/class.ticket.phpFind line: 915 for clients: $email->sendAutoReply($this->getEmail(), $msg, $msg,line 935 for staff: $email->sendAlert($cfg->getAdminEmail(), $alert, $alert, null, $options);Change the $msg and $alert bits and prepend the ticket's id:$msg. ' ' . $this->getId()So, for example, the staff line might look like: $email->sendAlert($cfg->getAdminEmail(), $alert . ' ' . $this->getId(), $alert, null, $options);You could even use extra formatting: $email->sendAlert($cfg->getAdminEmail(), $alert . '. ', $alert, null, $options);Not sure if you can add it to the template using variables, I default to code.. YMMV, above is untested.