Chain Letters

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/

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

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

Fraud Bureau - Chain Letters
The anatomy of a chain letter.
http://www.fraudbureau.com/articles/misc/article2.html

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

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