Login to the Admin Dashboard
1. Navigate to Emails > Email Accounts. In this section, click on "Add/Edit Email Forwarders" button:
2. Once in the cPanel, click on 'Add Forwarder" in the "Create an Email Account Forwarder" section:
3. Fill in the necessary information and click on "Add Forwarder" button
For more details about adding, editing, and removing email forwarders, please see the official cPanel Documentation on Email Forwarders.