On Thu, 4 Mar 2004 15:54:15 -0600, James Morrill <[log in to unmask]> wrote:

>LISTSERV sees it's a bounced
>message and adds it to the listname.autodel file, even though the address
>isn't subscribed to the list.

This is exactly what LISTSERV is supposed to do with such mail.

>Is there someway to keep this from happening?

LISTSERV is working as designed.  Why would you want it to do otherwise?