mailx—interactive message processing system

mailx [ –deHiInNUvV ] [ –f [ filename|+folder ]]

   [ –T filename ] [ –u user ] [ recipient... ]

mailx [ –dFinUv ] [ –h number ] [ –r address ][ –s subject ] recipient...

The mail utilities listed above provide an interactive interface for sending, receiving, and manipulating mail messages. Basic Networking Utilities must be installed for some of the features to work. Incoming mail is stored in a file called mailbox, and after it is read, is sent to a file called mbox.