Your address "$email" has been invited to join the $listname
mailing list at $hostname by the $listname mailing list owner.
You may accept the invitation by simply replying to this message,
keeping the Subject: header intact.

Or you should include the following line -- and only the following
line -- in a message to $requestaddr:

    confirm $cookie

Note that simply sending a `reply' to this message should work from
most mail readers.

If you want to decline this invitation, please simply disregard this
message.  If you have any questions, please send them to
$listowner.