1. Log into your cPanel account.
2. In the "Email" section click on the "Email Filters" icon.
3. Under "Filters by Users" you will see all existing e-mail accounts. Click on the "Manage Filters" button next to the desired e-mail.
4. Under "Current Filters" you will see all existing filters. Click on the "Edit" button next to the desired filter.
5. Make the desired changes to the filter.
6. Click on the "Save" button.