Breaking The Chain: The Truth Behind Chain Letters

Debunks the most common virus hoaxes, sick child appeals, petitions, and others. Know the truth before you pass that chain letter on!
http://www.lava.net/~higak/chain/

Fraudulent Jessica Mydek Chain Letter

The American Cancer Society is greatly disturbed by reports of a fraudulent chain letter circulating on the internet which lists the American Cancer Society as a "corporate sponsor" but which has in no way been endorsed by the American Cancer Society.
http://www.cancer.org/chain.html

Craig Shergold and Ryan McGhee Chain Letters

Site from Make-A-Wish Foundation debunking the story that a 7-year-old named Amy is working with the Make-A-Wish Foundation to raise 7 cents every time the e-mail is forwarded.
http://www.wish.org/home/frame_chainletters.htm

Break the Chain

Help stop the spread of junk e-mail and misinformation with a library of tips, extensive research archive, and the visitor's forum.
http://www.breakthechain.org/

Fraud Bureau - Chain Letters

The anatomy of a chain letter.
http://www.fraudbureau.com/articles/misc/article2.html

Chain letters and how to defeat them

An "anti-chain letter" suitable for use in replying to chain letters. Also other chain-letter-fighting resources and links to humorous anti-chain letter sites.
http://kith.org/logos/things/chain.html

Chain Letter Evolution

Extensive history of chain letters. Focus on paper good/bad luck chain letters since 1900 and the origin of money chain letters.
http://www.silcom.com/~barnowl/chain-letter/evolution.html

Kill The Chain

Anti-chainmail site with archive, forum, and satire.
http://www.freewebs.com/killthechain/