> I have a question:
>
> Using Listserv (l-soft) and with the subscriber setting to CONFIRM, which
> requires that when a prosepctive subscriber sends in a subscribe ListName
> Their Name command, they get back a mesage asking for a confirmation, by
> replying with OK in the message body.  This, to prevent spoofing.  I also
> understand that CONFIRM can be deselected.
>
> Question is:  Is it possible to modify the content of the Confirmation
> Request?

Yes.

> If so, how, where?

The CONFIRM1 mail template. Editing LISTSERV's Mail and Web Templates
 is covered in Chapter 9 of the Owners Manual.