SpamCop 
Will help find the sender of a spam and an address to send a complaint to.
UXN Spam Combat 
A collection of anti-spam tools and information.
Adcomplain 
A Perl script to automate spam complaints.
alt.spam FAQ or "Figuring Out Fake E-Mail & Posts" 
Describes how to find out where a fake post or e-mail originated from.
Anti-spam: AOL edition 
A page for AOL users to help combat the threat of spam
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.
iNetCheck 
Spam tracking tools
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.
net.demon 
Downloadable software to trace the sender of an e-mail and locate the spammer's real web site.
Project SpamChart 
Tracks spam statistically as reported by numerous users running SpamAssassin.
Reading Email Headers 
An in-depth analysis of how e-mail is sent and how to read its headers.
SamSpade.org 
Software tools for tracking spam.
Spam Delenda Est 
Steps for tracking spammers and getting their accounts revoked.
Spam Identifier 
Tools for identifying the source of spam and reporting it.
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