Usage: check mail <person> (immortals: at postmaster mail <person>) receive (immortals: at postmaster receive) The commands for Mail System are MAIL, CHECK, and RECEIVE. These commands can only be used while in a Post Office. There are numerous postmasters throughout the game and in each major city. You must be at least second level in order to use these commands. Examples: To check and see if you have any mail waiting: > check To write mail to Mo: > mail Mo To ask the Postmaster to give you your mail, if you have any waiting: > receive