This article covers how to set up forwarding for mail sent to any address on a domain.
1) Log in to the cPanel account that owns the domain and navigate to the following location.
cPanel >> Email >> Forwarders
2) Click the "Add Domain Forwarder" button.
3) Select the domain to forward under the "Domain" dropdown menu.
4) Fill in the address to forward emails to in the "to" text box to the right.
5) Click the "Add Domain Forwarder" button.