This can be done at a couple levels.You would setup an email in Admin panel -> Emails.(note you do not nessesarily need to setup the rest of the info if you are using phpmail, but might need to setup smtp.)Then you can go to Admin panel -> Settings -> Emails and set:Default System Email:Default Alert Email:You can also set emails at the Department level (if you have emails for each department) which you can set at: Admin panel -> Agents -> Departments -> ANYDEPARTMENT -> Outgoing Email: