Login to your cPanel account via BigScoots client area.
2. Click Default Address under Email section.
3. Select the domain name for which you would like to set up the catchall.
4. Discard with error to sender: If you wish for the emails to bounce back to the sender with a specified error message. You may choose the failure message that is given in the bounceback by filling out the Failure Message box.
5. Forward to email address: With this option, all misrouted or misaddressed emails will be forwarded to the email address which is specified.
6. Click Change to complete the set up of the catchall address.