No. That is not a feature in osTicket at this time.Agent: Closing a ticket does not generate an email.Agent: Updating a ticket with "this ticket is being closed" and selecting a status of closed would generate an email.User: re-opening a ticket (by updating it) does generate a new message alert email.Agent: re-Opening a ticket does not generate an email.Agent: Updating a ticket with "this ticket is being re-opened" or some other message and selecting a status of Open would generate an email.