1. Log into cPanel and click the "Forwarders" icon under the Mail section.
2. On the next page you will see a button for "Add Forwarder"
3. You will then be asked which email address you wish to forward. You can click the drop down box to select a different domain besides the primary.
4. Next, select whether you wish to forward the email to another address, discard the email, or pipe it to a program for parsing and then fill in the relevant information for the option you choose.
5. Click the "Add Forwarder" button.