A catch-all email is a powerful tool that allows you to catch any emails sent to misspelled or invalid email addresses.
To start catching all of the emails that are being sent to your domain, access your cPanel and locate the Default Address menu:
On the new page choose a domain name from the drop-down menu, check the option Forward to email address, and enter the email address to which emails will be forwarded:
NOTE:
If you want to know how to enable the catch-all email feature for hPanel - check this article.