Abusive Hosts Blocking List (AHBL)
AOL Postmaster.Info
AOL Postmaster.Info : Feedback Loop for spam reports from AOL users
cPanel Forums
cPanel Forums - Server Setup Tips - stop spam/viruses
cPanel Forums - Exim fix to dev/null virus emails
cPanel Forums - Email - Domain Literals
DNS Stuff: DNS tools, WHOIS, tracert, ping, and other network tools
DNS Report for a domain - mainly useful for checking that MX records are set up properly for the mail server, with rDNS (PTR)
Declude checks a whole bunch of spam blacklists with details and links to each one
Hello 'Certified Server,' Goodbye Spam article about the Certified Server (CSV) proposal to help stop spam.
InfoSysSec IP Tools, Whois, Ping, Reverse Look Up, Anti Spam stuff
Mailto Encoders to avoid spambots
Avoiding Email-Link Spam - HTML Dog Blog - HTML Dog
Email Address Encoder
Paul Gregg - Projects - Javascript link encoder
Metropolitan Police Fraud Alert [this is the British Police site but the info applies anywhere in the world, it explains how those "you won a lottery you never entered!" and other scams work -- alice ttlg]
net.demon online spam-fighting tools, url and webpage decryption tools here
Network-Tools.comTraceroute, Ping, Domain Name Server (DNS) Lookup, WHOIS, and DNS Records Lookup
news.admin.net-abuse.* google groups search
Google Groups : Advanced Search for news.admin.net-abuse.*
NANAE FAQ index
Openrbl.org checks the most popular 30-some spam blacklists
Openrbl.org European mirror
Openrbl.org US mirror
Openrbl.org Canadian mirror
Openrbl.org German mirror
Open Relay Database, Welcome to the ORDB.org - the Open Relay DataBase
phpBB disable-spambots MOD This mod ensures that anyone posting has actually submitted through the comment form, and that the form is at least five seconds old before it's submitted. If either of these conditions is not met, the submit is turned into a preview, so spambots will still think they have posted successfully and humans will be given another chance (in the event that, for example, their IP address changed between loading the form and submitting it). [from the mod file]
phpBB Instant Ban - Spam Bots registration [MOD for the phpBB forums to block the Russian spammers who started mass registering at the beginning of September to get their urls into the memberlist which is visible to Google, their goal is higher page rank for their spam sites. This MOD removes the www and sig fields in the registration form and any spammer directly submitting registrations thru GET or POST with a www or sig field input will get automatically banned. Valid new members will be able to enter a sig and www url after ten posts. (The shorter version removes only the www field and allows users to immediately edit their profile after registration and enter a url.) -- alice ttlg]
Privacy.net, info page for the me [at] privacy.net email address
Reading Email Headers at StopSpam.org [very detailed but readable explanation of headers, especially good for those who want to be able to decipher the headers on their own -- alice ttlg]
What Email Headers Can Tell You About the Origin of Spam at About.com [more simplistic for beginners and it doesn't deal with zombied PCs that hide the spammer's location -- alice ttlg]
How do I get my email program to reveal the full, unmodified email? at SpamCop [list of commonly used email programs and webmail services with instructions for each on how to display the headers -- alice ttlg]
Spam Filtering for Mail Exchangers, details on modifying Exim 4 for delays in smtp session (spam ratware will go on to the next one instead of waiting) and other stuff
Spam from Anti-virus Companies:
Why (some) anti-virus companies are to blame for the recent e-mail flood
Yes, (some) antivirus companies are spammers
Anti-Virus Companies: Tenacious Spammers
Spam Links [lots of useful info here about spam and scams, spam filters for both home PCs and servers, info about spam blacklists; and thanks much to the anonymous person who gave me the updated link -- alice ttlg]
Spam-L FAQ
Spam-L Archives
Search the SPAM-L Archives
[Technical anti-spam list, posters are primarily network admins, both small, medium and large (AOL's abuse dept head posts there), some of the discussion is very technical about the specifics of mail server programs, etc., some is more general about how to deal with and cut off spammers and viruses being used by spammers. List culture is old school usenet, no top-posting replies and be prepared to be checked out six ways to Sunday the first time you post as they keep an eye out for spammers trolling the list -- alice ttlg]
SpamAssassin for Apache for checking incoming mail at the server
Spambot Avoidance some ways to hide your email from spambots and still keep it visible to humans
SpamCop.net
SpamCop.net edgesuite mirror
SpamCop FAQ: How can I get SpamCop reports about my network?
Julian Haight founder of Spamcop (now owned by Ironport/Bonded Sender)
Spamgourmet - free disposable email addresses, spam blocking
Spamhaus Project [the most reliable objective spam blocking site, tracks the Internet's Spammers, Spam Gangs and Spam Services, provides dependable realtime anti-spam protection for Internet networks, and works with Law Enforcement to identify and pursue spammers worldwide. Run primarily by Steve Linford (on a houseboat in London). -- alice ttlg]
Spews.org the internet's Spam Prevention Early Warning System
View HTTP Request and Response Header safely check out the html source of a suspect webpage without getting viruses or malicious javascript or cookies
WPoison, helps to combat the junk e-mail problem by effectively thwarting the efforts of junk e-mailers who regularly scan web pages, looking for target e-mail addresses to harvest.
Whois sites
BW Whois
Better Whois
Complete Whois
DNS Stuff
Web-Based Whois
NetLantis Whois (currently down 11/5/04, since at least 8/13/04)
Windows Secrets twice-monthly e-mail publication with Microsoft Windows tips and tricks [they had a good article about home PC zombies with good tips about running a home Win PC safely -- alice ttlg]