To access the forwarders menu, click on the Forwarders icon on the main screen of your cPanel interface.
Click on Add Forwarder.
Put the name of the email address you wish to forward from in the first blank field. For example: for firstname.lastname@example.org, put user in the first blank field.
You can choose to what address the incoming mail should be forwarded. The other option is to choose a failure message which will be returned to the sender.
To delete a forwarder, simply click on the Delete button next to it.