The Blacklist of Internet Advertisers
A site taking a proactive approach to curb inappropriate advertising on usenet newsgroups and via junk e-mail.
The Coalition Against Unsolicited Commercial Email
Spam prevention tips from Earthlink.
Fight Spam on the Internet!
A very useful California based anti-spam website loaded with useful information.
The Mail Abuse System LLC
A nonprofit California organization whose mission is to defend the Internet’s e-mail system from abuse by spammers.
The MAPS Realtime Blackhole List
A method of reporting networks that are slow or unresponsive to your requests for assistance in bringing down spammers.
Abuse addresses & IPs guilty of spamming.
Spam and Junk Email: Against the Onslaught
Useful advice and explanations of how to avoid spam email messages.