A Catch-all Email is a powerful tool that allows you to catch any emails sent to the misspelled or invalid email addresses.
To start catching all the emails that are being sent to your domain, access your
Emails → domain name → Forwarders page and click on Create catch-all:
In the opened window you will see a domain for which a catch-all is set up, and be able to choose an email address to which all emails will be forwarded:
If you want to know how to enable the Catch-all email feature for cPanel - check this article