http://www.brightmail.com
2. CAUCE
http://www.cauce.org
3. Responsible Net Commerce
http://www.abuse.net
4. Yahoo Spam Wars
http://www.yahoo.com
5. CancelMoose
http://www.cm.org
6. SpamCop
http://www.spamcop.net
7. SPAM!
http://www.spamm.net
8. AntiSPAM Networking
http://www.antispam.net
9. Remove-List.com
http://www.remove-list.com
10. FREE
http://www.ybecker.net