1 MAIl
  To send a letter, type:

	MCR>MAIL <usernames> [<letter>]

        MCR>MAIL HENRY,DON,FRED filename

  If no filename is given, LETTER.TMP is created and filled from the terminal.

          MCR>MAIL @filename [letter]

  Sends mail to list specified in the file SD0:[10,3]filename.mls

  Listing a summary of your mail

        MCR>MAIL ?		(Only lists headers of each letter)

  Reading your mail

        MCR>MAIL ME

  The contents  of your mailbox is typed. You may file or delete each message,
  and may reply to any message.