| Directory > Computers > Internet > Abuse > Spam > Blacklists 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.
http://mail-abuse.org/
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Passive Spam Block List (PSBL)
The Passive Spam Block List, or PSBL, uses the Spamikaze software. If one spamtrap receives email
from a certain IP address, then that IP address gets listed. After a certain time, the IP address
is automatically dropped from the list. However, one of the mail server users may notice the
listing and remove the mail server from the PSBL.
http://psbl.surriel.com/
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UCEPROTECT Network
Three different Blacklists made in Germany available for Download (Wget), Rsync or use by DNS.
http://www.uceprotect.net/en/
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Whois-Details for Blacklisted Spam Domains
List of domains that have been advertised via spam, with name server, registration date,
registrant. This list is updated daily.
http://www.joewein.de/sw/bl-log.htm
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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.
http://bl.csma.biz/
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The Abusive Hosts Blocking List (AHBL)
Publishes a list of known abusive hosts (open relays, open proxies, spam sources, DoS drones, and
more) in various forms including a DNSbl.
http://www.ahbl.org
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AntiSpam DNSBL
Identifies spam sources - whether intentional or not - at the time they are sending spam. Not
before and not after.
http://antispam.or.id
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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.
http://cbl.abuseat.org/
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The DNSBL countries.nerd.dk
An IP-to-country DNS mapping service so you can choose to block a specific country or countries.
http://countries.nerd.dk/
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Spamware Vendor List
List of live spamware sites and related links.
http://www.spamsites.org
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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.
http://rhs.mailpolice.com
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Easynet Nederland (easynet.nl) Spamlists
DISCONTINUED DEC 1 2003
http://abuse.easynet.nl/
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Spamerang
A call for all internet users to turn the spammers' own email addresses into spam bait.
http://www.spamerang.net
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Vox - DNSBL Designed to Aleviate Spam
Vox is a DNSBL based of received email headers along with frequency on the phydiux.com network of
sites.
http://vox.schpider.com
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Spamware.org
List of known bulk email software regarded as Spamware.
http://www.spamware.org/
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Spam & Open Relay Blocking System (SORBS)
Lists Open Relays and Open Proxies (Open HTTP Proxy Servers and Open SOCKS Proxy Servers). SORBS
only scans a host when it attempts to send mail to one of the feeder servers.
http://www.dnsbl.sorbs.net/
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RBL-Type Services
A listing of sites offering spam-related filter / blackhole lists.
http://www.sektorn.mooo.com/era/rbl/rbl.html
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Better Ethics Online
Publishes black list of spammers and seeks to promote online ethics.
http://actionsites.com/beo/
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Spam Support Permanent Blocklist
A permanent blocklist of spam supporting web hosts and ISPs.
http://sspbl.tripod.com/
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Open Relay Check
Known open relay list.
http://www.openrelaycheck.com
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Blackholes.us
Publishing a variety of DNS blocklists including entire countries and ISP's.
http://blackholes.us/
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The South Korea Blocking List
Blocking list to filter out Korean spam.
http://korea.services.net/
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Known Spammers List
List of emails and addresses of persons or organizations known to spam.
http://www.calfcreek.net/spammer.html
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Chinese and Korean Net Blocks
Lists IP blocks of China and Korea for those who want to avoid asian spam.
http://www.okean.com/asianspamblocks.html
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Electric Eye Ultimate Banned List
A manually updated and verified online database of spammers. Provides email address and domain
blocklist.
http://electriceye.net/banned
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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/
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DNS Real-time Black List (DNSRBL)
DNSRBL publishes, via DNS, a list of IP addresses that are either direct SPAM sources or Dial-up
(dynamic address) pools which would never be a source of non-SPAM eMail.
http://www.dnsrbl.com/
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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.
http://moensted.dk/spam/
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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.
http://work-rss.mail-abuse.org/rss/index.html
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Blacklist of Internet Advertisers
To curb inappropriate advertising on usenet newsgroups and via junk e-mail.
http://www.non.com/news.answers/advertisers-blacklist.html
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Spambag of the Month
Makes examples of people who feel the need to send unsolicited emails. Sample emails and follow-up
information.
http://www.spambag.net/
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Not Just Another BlackList (NJABL.ORG)
Spam blocking blacklist of open relays, dial-ups, and direct spam sources.
http://njabl.org/
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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 obey the RFC's, the building block
"rules" of the net.
http://www.rfc-ignorant.org/
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Spam Filtering @ Monkeys.Com - Unsecured Proxies List
Lists open proxies. An open proxy of one kind or another is bad because spammers may use it to send
out massive amounts of unsolicited bulk e-mail spam.
http://www.monkeys.com/anti-spam/filtering/proxies.html
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Spambag.org
Personal (DNSBL) list of abusive networks that the author blocks from sending mail or accessing his
web servers.
http://www.spambag.org/
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Clueless Mailers
Offers background information on the worst of the new Internet abusers.
http://www.cluelessmailers.org/
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Blitzed IRC Network (OPM.BLITZED.ORG)
A dnsbl of open proxies (HTTP, Socks and wingate), populated by IRC connection scanners and
spamtraps.
http://www.blitzed.org/proxy/
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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.
http://www.five-ten-sg.com/blackhole.php
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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
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The Spamhaus Project Register of Known Spam Operations (ROKSO)
The Spamhaus Project's Register Of Known Spam Operations (ROKSO) Database. ROKSO collates evidence
on known hard-line spam outfits that have been thrown off Internet Service Providers over three
times.
http://www.spamhaus.org/rokso/
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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/
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Relays.visi.com
Blacklist of open relaying mail servers that have recently transmitted spam.
http://relays.visi.com/
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Fabel - Relaytest
List of open relays. Only one kind of test is done to see if the mail is relayed or not.
http://www.fabel.dk/relay/test/
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ip4r (DNSBL-style) DNS lookups
List, in table form, of blacklists. Includes table with the name of the blacklists, their lookup
domains, the IP that is returned in case of a match and a description.
http://www.declude.com/junkmail/support/ip4r.htm
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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
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OpenRBL DNS Lookup
Enter an IP address or a hostname to find out which blacklists (if any) list it.
http://openrbl.org/
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MAPS Dial-up User List (DUL)
An IP blacklist of dialup-using "stealth" spammers and email trespassers.
http://mail-abuse.org/dul/
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MAPS Realtime Blackhole List (RBL)
Lists email sites which have refused to limit their relaying, leaving the potential for their use
as spam gateways.
http://mail-abuse.org/rbl/
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Spam Prevention Early Warning System (SPEWS)
SPEWS maintains a list of known spam sources and spam friendly hosts so that e-mail can be rejected
from these problem sites.
http://www.spews.org/
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Open Relay Database (ORDB)
A validated database of mail servers that permit third-party relay. Also in Francais, Nederlands
and Dansk.
http://www.ordb.org/
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xbl.selwerd.cx (eXtreme spam Blocking List)
Providers that let users spam selwerd.nl, selwerd.cx, flits.rug.nl and other spamtraps and ignore
reports, host spamvertized pages or pages selling spamware get listed. Using xbl.selwerd.cx risks
missing a lot of legitimate e-mail.
http://www.selwerd.cx/xbl/
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