I just received the following regarding the spam sent to the listserver:
Thank you for contacting the Roving Software Abuse group. All complaints
that we receive are reviewed and we will take appropriate action against
the user who sent this email. Depending on the results of our
investigation, the user's account may be terminated immediately.
Regardless, we have removed your name from the list in question. If you
ever receive unwanted email from this source again please contact us
immediately.