www.auditmypc.com/freescan/antispam.html

Anti Spam, the best way to fight spam bots! The purpose of this page is to make it so spammers who attempt to collect email addresses off the web, via programs, will not have real email addresses in their database. Anti-Spam causes problems be ...

www.projecthoneypot.org

The Web's Largest Community Tracking Online Fraud & Abuse. A free, distributed, open-source project to help website administrators track, stop, and prosecute spam harvesters stealing email addresses from their sites.