typo@example.com and that mailbox does not exist, the catch-all will receive it.
Setting Up a Catch-All
Open Mail Settings
Click Mail Settings at the top of the page, then select the domain you want to configure.
Enable the Catch-All
Under Catch-all address, select one of the following:
- Forward to address — deliver unmatched mail to a specific existing mailbox
- Reject — bounce unmatched mail back to the sender (default behaviour)