You can identify an email address to forward all your messages and choose to retain the message in your mailbox or automatically delete the message when forwarded.
Click the Preferences ---->Mail folder.
3. Scroll down to the Receiving Messages section and in "When a message arrives", "Forward a copy to", add the complete forwarding address.
6. To disable
the Email Forwarding, follow steps 1 and 2. Then, remove the email address in the "Forward a copy to" and click Save.
by Computer Service Centre.