1. Login to your Plesk Control Panel.
2. Click Mail, then select the desired email account that wants to be set as forwarder.
3. Click the Forwarding tab.
4. Check the Switch on mail forwarding box. Fill in the email address that you
want the forwarder to forward to in the Forward incoming messages to the following
email address box. Click OK.
5. You are done. All email that is sent to the forwarder account will be forwarded to the forwarding account.