A catch-all email mailbox receives email messages sent to invalid email addresses under the exact same domain name. For instance, a message sent to the mistyped email@example.com will be delivered to firstname.lastname@example.org if the catch-all feature has been enabled for the latter. Thus, you can receive email messages from pals or customers who may have sent a message to your email address with a spelling error or to an obsolete one, which they may still have, but you have already deactivated. Just one mailbox per domain name can be a catch-all one and email forwarding cannot be set up for such a mailbox. This is so because of the fact that at a certain point you may begin receiving spam emails in the catch-all mailbox and the forwarding limitation implies that the spam will not be received in a 3rd-party mailbox.