MSG NOKEep <msgno> - unset the keep flag
MSG SUbject <msgno> <new> - change the subject to <new>
MSG WAittime <msgno> - remove any waitting time for this message
+ MSG NOREad <msgno> - mark message as unread
+ MSG REad <msgno> - mark message as read
MSG QUeue - queue any outstanding bulletins
MSG QUeue 1 - queue any outstanding private messages