AntiSpam DNSBL
Identifies spam sources - whether intentional or not - at the time they are sending spam. Not before and not after.
Better Ethics Online
Publishes black list of spammers and seeks to promote online ethics.
Blackholes.us
Publishing a variety of DNS blocklists including entire countries and ISP's.
Blacklist of Internet Advertisers
To curb inappropriate advertising on usenet newsgroups and via junk e-mail.
Blacklists Compared
Weekly reports of DNS blacklists lookups of IP addresses (and reverse DNS lookups) that made SMTP connections to the San Diego Supercomputer Center on that week. Useful for getting a grasp of the size of the various blacklists. Maintained by Jeff Makey.
bl.csma.biz - Spam Blacklist
As a public service, McFadden Associates maintains a free DNSBL blacklist. Anyone sending SPAM into their mail filters is automatically added for a period of thirty days.
Blitzed IRC Network (OPM.BLITZED.ORG)
A dnsbl of open proxies (HTTP, Socks and wingate), populated by IRC connection scanners and spamtraps.
Chinese and Korean Net Blocks
Lists IP blocks of China and Korea for those who want to avoid asian spam.
Clueless Mailers
Offers background information on the worst of the new Internet abusers.
Composite Blocking List (CBL)
The CBL is a DNSBL which takes its source data from very large spamtraps, and lists IPs of open proxies and worms/viruses.
Distributed Server Boycott List (DSBL.org)
This list contains email servers which are non-secure and potentially servers with dumb and/or malicious users. It is purely composed of data DSBL receives; DSBL should never send out data by itself.
Drbcheck: Dr. Jørgen Mash's DNS Database List Checker
Lists all DNSbl's (RBL's) and enables users to make a query against all the lists.
Easynet Nederland (easynet.nl) Spamlists
DISCONTINUED DEC 1 2003
Electric Eye Ultimate Banned List
A manually updated and verified online database of spammers. Provides email address and domain blocklist.
Five Ten - Local Black Holes
Blacklist that includes dialup equivalent ip addresses, individual spam sources, netblocks that refuse to remove spammers, bulk mailers that don't require confirmed opt-in, output servers from multi-stage open relay chains and single stage open relays not listed on ORBZ.
Mail Abuse Prevention System
MAPS aims to defend the Internet from spammers by educating ISPs and providing real time blocking lists of known spam sources.
MailPolice RHS-BL
RHS-style lists of domains which have sent spam to MailPolice customers. Currently divided into two lists, bulk senders - domains associated with bulk mail - and pornography - domains associated with sending and hosting pornographic content.
MAPS Dial-up User List (DUL)
An IP blacklist of dialup-using "stealth" spammers and email trespassers.
MAPS Realtime Blackhole List (RBL)
Lists email sites which have refused to limit their relaying, leaving the potential for their use as spam gateways.
MAPS Relay Spam Stopper (RSS)
The RSS is a list of email relays which have been used to send spam, for use in blocking spam by blocking mail which have gone through those sites.
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