A catch-all email mailbox receives messages sent to invalid email addresses under the very same domain. For example, an email message sent to the mistyped [email protected] will be delivered to [email protected] in case the catch-all feature has been activated for the latter. In this way, you can get emails from pals or customers who may have sent a message to your email address with a typographical error or to an outdated one, which they may still have, but you have already disabled. Just one mailbox per domain name can be a catch-all one and email forwarding cannot be activated for such a mailbox. This is so because of the fact that at a certain moment you may begin receiving spam email messages in the catch-all mailbox and the forwarding limitation means that the spam will not be received in a third-party mailbox.