Catch-all will redirect the entire email flow for a non-existing email address to the email address where the catch-all is activated.
To activate catch-all on a particular mailbox, please follow these steps:
1. In your account, go to PRODUCTS > EMAIL.
2. In the list of domains, click on the "View" icon to the right of the concerned domain and then on MANAGE to the right of the concerned mailbox.
3. Check the box "Enable catch-all".
4. You will see a confirmation message above the setting.