List Manager response

>>>> This is a multi-part message in MIME format.
**** Command 'this' not recognized.
**** No valid commands found.
**** Commands must be in message BODY, not in HEADER.

**** Help for [email protected]:

Introduction to the List Manager
--------------------------------
  This is the Mailing List Manager for Post.Office version v3.5.3.
  The interface is similar to Brent Chapman's "Majordomo".  


How to Access the List Manager
------------------------------
  You can interact with the List Manager by sending commands in the body of 
  an E-mail message addressed to "[email protected]".

    (Important Note:  Commands in the "Subject:" line are NOT processed.)


Available List Manager Commands
-------------------------------
  The Post.Office Mailing List Manager understands the following commands:

    (Note:  In the descriptions below items contained in []'s are optional. 
             When providing the item, do not include the []'s around it.)


    subscribe <list> [<address>]
        Subscribe yourself (or <address> if specified) to the named <list>.

    unsubscribe <list> [<address>]
        Unsubscribe yourself (or <address> if specified) from the named <list>.

    which
        Find out which lists you are on.

    who <list>
        Find out who is on the named <list>.

    info <list>
        Retrieve the general introductory information for the named <list>.

    lists
        Show the lists served by this List Manager server.

    help
        Retrieve this message.

    end
        Stop processing commands (useful if your mailer adds a signature).