A catch-all functionality that is activated for a certain e-mailbox will allow you to receive emails that are sent to addresses that do not actually exist. Otherwise said, if you remove an email address and someone still sends an email message to it, or to any mistyped email address under the exact same domain name, you’ll get the email in the catch-all mailbox. Using this feature means that you will no longer miss an email for any reason, which could be crucial in case you run a company, for example. Since you may start receiving junk email messages, you can combine the catch-all option with email filters so as to get only authentic messages in your inbox. Just one single mailbox per domain can be a catch-all one and email forwarding cannot be set up for a catch-all mailbox.