Steps:
1. Go to Settings and select Email Configuration under General.
2. If every email sent should have the email address of the technician who initiated the session in the from/reply-to field choose Technician's email address.
3. If you want every email sent from your organization to have a uniform sender email address, then enter the email ID in the Custom Email field and click VERIFY. The setup will be completed once verified.
4. You can enter an email ID in the CC field to send a duplicate copy to another recipient.

Note : Verifying the email ID entered in the Custom Email field is mandatory until which emails sent will have the previously configured email address in the from/reply-to field.