Props to Osgeld for the idea. I found a registration mod that looks up email addresses in databases of known emails associated with spammers. Here it is:

http://temerc.com/forums/viewtopic.php?f=71&t=6181

I installed that just a moment ago.

Mars478: Thanks for the offer of assistance, but I'm not looking for any new moderators at the moment.

Peace,

Drew