alt.spam FAQ or "Figuring Out Fake E-Mail & Posts"
Describes how to find out where a fake post or e-mail originated from.

EmailAbuse.org
Tips to help identify and report email abuse.

eMailTrackerPro
Helps identify the true source of e-mails, to help identify and report spammers. Analyzes e-mail headers and provides the IP Address of the machine that sent the e-mail.

Exterminating Spammers Step-By-Step
Describes procedures and basic tools that recipients can use to report senders of unsolicited commercial email.

Fighting Spam Article by OpioN
Basic information on tracking source of spam.

Figuring out fake E-Mail & Posts
A comprehensive guide on how to track down the source of the spam.

How to Interpret Email Headers
Instructions for interpreting e-mail headers.

JMHO on Spam
Resources for tracing and reporting spam.

Mail Parsing & Tracking
Displays visual email routing and the time taken to go from server to server, allowing each mail server hop to then be queried against common spam blacklists.

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