related and relevant sites
CAUCE - Coalition Against Unsolicited Commercial Email.
Spam Recycle - send in your spams
Blockspam - Daniel's related user-level content-dependent spam blocking project.
Spam Reporting Assistance Tool - newly started tcl/tk-script project.
Ricochet - another perl script that does what spam.pl does.
SpamCop - "helps you punish spammers for sending you their junk mail"
SpamAssassin - great tool for filtering your spam.
DNSstuff - all the tools you'd want to use when hunting spam, on a webpage
Rick's Spam Digest - very good dissection of the anatomy of spam
alt.spam FAQ - Figuring out fake E-Mail & Posts
Feel free to suggest relevant links for this page.