Catch-all Emails is a powerful feature that allows you to forward ALL of the emails that are sent to your domain, it does not matter if the Email account exists or not. This is also extremely useful if you want to catch emails that are being sent to misspelled email accounts.
To start catching all of the emails that are being sent to your domain, access your Control Panel and locate the Catch-all Emails menu.
In the accessed Catch-all Emails menu, you will notice the Catch-all Emails setup section. You can choose a domain from which the emails will be caught, as well as the account to which everything will be Forwarded to.