SpamCop
Ironport's popular
Spam Cop
is a web-based system that attempts to diagnose where an unwanted message
came from and send off complaints.
Many system managers welcome reports from Spam Cop, others dislike its
"munging" that removes many details from the reports.
Sam Spade is a
multi-function analysis web site that can decode a message's headers and
make a fairly good guess about where it came from.
It can take a little while to learn, but it's very useful.
Spamassassin is a popular
open source filtering system written in perl for Unix systems.
You generally run it from procmail, as mail is being delivered to your inbox.
I use it, and find it quite effective although I had to adjust
its rules and settings to match the spam I get.
It's a spam filter, not a spam reporting system, although you can
tell it to report the spam it finds to collaborative filtering systems
like Vipul's Razor and DCC.
Abuse.net hosts a mailing list for people interested in developing and
deploying anti-spam tools.
Visit
the list's home page for more details
and access to the message archive.
Ricochet is a perl script for Unix and Linux systems that attempts to
guess the source of a spam message from the headers. It can be
fooled by forged headers, and rather
aggressive about digging up WHOIS info to contact tenuously related
contacts. It keeps its own list of contacts, and uses abuse.net for any
not in the list..
I'd always manually edit its
proposed list of target addresses to remove all of the false hits.
This is a combination of a batch script and a couple of freeware command
level tools for Windows that help track down IP addresses, URLs, hostnames,
and e-mail addresses.
It doesn't attempt to send off complaint messages, but it does help figure
out who's responsible for spam so you know who to report it to.
An open-source distributed filtering system, it collects "signatures" of spam
from users, and distributes them back out to use for filtering.
Your hacks here
If you have abuse reporting tools you'd like to have listed here, send me a
note at webmaster@abuse.net and tell me about them.
Only nonproproprietary material, please.