Native MTA Anti-Spam Features (Chapter 4)
Blackhole Listing Services
Declude’s List of All Known DNS-based Spam Databases http://www.declude.com/JunkMail/Support/ip4r.htm
Jeff Makey’s Blacklists Compared http://www.sdsc.edu/~jeff/spam/Blacklists_Compared.html
Kelkea Mail Abuse Prevention (MAPS) http://www.mail-abuse.com/
Spam and Open Relay Blocking System (SORBS) http://www.dnsbl.au.sorbs.net/
SpamCop Blocking list http://www.spamcop.net/bl.shtml
Spamhaus Block List (SBL) http://www.spamhaus.org/SBL/
Spamlink’s listing http://spamlinks.net/filter-dnsbl.htm
Postfix
Fairly-Secure Anti-SPAM Gateway http://www.flakshack.com/anti-spam/
Jim Seymour’s suggestions/examples for Postfix anti-UCE configuration http://jimsun.linxnet.com/misc/postfix-anti-UCE.txt ...
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