Ed, I use SpamBayes. It's open source, and after training it a little bit picks up about 97% of my spam with few false positives. I've used it for several revisions and it's up to .8 now and I have been very happy with the results/lack of problems. http://sourceforge.net/projects/spambayes/ http://spambayes.sourceforge.net/ --Matt ------------------------------------------------ Matt Newman Academic Technology Coordinator College of Nursing, Michigan State University A107 Life Sciences Phone: (517) 432-8440 Pager: (517) 232-0099