SpamCop - Blocking List Information This list contains IP addresses which have been reported to SpamCop as carriers of spam (source of e-mail or verified, open relay). Some of these reports now come from spamtraps (email addresses used strictly to receive spam). http://spamcop.net/bl.shtml Spamcop.net~Site InfoWhoisTrace RouteRBL Check
Spamhaus Block List (SBL) All IPs on the SBL belong to known spammers, spam gangs, or spam support services. The SBL includes IPs from both the ROKSO database and IPs of spam services listed in the Spamhaus database. http://www.spamhaus.org/sbl/ Spamhaus.org~Site InfoWhoisTrace RouteRBL Check
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. http://www.sdsc.edu/~jeff/spam/Blacklists_Compared.html Sdsc.edu~Site InfoWhoisTrace RouteRBL Check
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 no http://www.five-ten-sg.com/blackhole.php Five-ten-sg.com~Site InfoWhoisTrace RouteRBL Check
rfc-ignorant.org The home for domains who don't play by the rules. A number of lists (at present "dsn", "abuse", "postmaster", "whois" and "ipwhois") which contain domains or IP networks whose administrators choose not to http://www.rfc-ignorant.org/ Rfc-ignorant.org~Site InfoWhoisTrace RouteRBL Check
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. http://www.dsbl.org/ Dsbl.org~Site InfoWhoisTrace RouteRBL Check