Deletes mail messages from SMTP queues.
    Without the user parameter, all messages from the user name that
    correspond to your process's user name are deleted.
    Related commands: SEND MAIL, SHOW MAIL
    Applies to: SMTP
    Format
      REMOVE MAIL  [ user ]
                   [ /[NO]COPY=[directory] ]
                   [ /[NO]CONFIRM ]
                   [ /ENTRY=n ]
Additional Information:
explode
extract