list-name

    Required parameter specifying the name of the mailing list to
    subscribe to. Wild cards are not allowed.

 personal-name

    Optional parameter specifying the personal name for the address
    to subscribe to the mailing list. If this parameter is omitted,
    no personal name information will be included in the subscribed
    address.

 address

    Optional parameter specifying the fully-qualified address to
    subscribe to the mailing list. If no address is specified, the
    From: address from the requesting message will be used.