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The Learning Center

The Passive Spam Block List

Summary Status: Active Terms: Free Zones: 1 Website: psbl.org Lookup: psbl.org/listing Removal: psbl.org/remove FAQ: psbl.org/faq/ Background psbl.surriel.com, also known as The Passive Spam Block List, is a relatively new blacklist to the DNSBL scene. Like most other blacklists, pbsl.surriel.com uses spamtraps and honeypots to gather it’s listing criteria. pbsl.surriel.com is an IP address based block…

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The Spamhaus Project

Summary Status: Active Terms: Free Zones: 6 Website: www.spamhaus.org Lookup and Removal: www.spamhaus.org/lookup/ About: www.spamhaus.org/organization/ FAQ: www.spamhaus.org/faq/ Contact: www.spamhaus.org/organization/contacts/ Background The Spamhaus Project is one of the largest anti-spam DNS blacklist services known. Founded in 1998, Spamhaus has operations in Geneva, Switzerland, and London in addition to the 28 investigators and forensic specialists located in…

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The Spamcop Blacklist

Summary Status: Active Terms: Free Zones: 1 Website: www.spamcop.net Lookup: www.spamcop.net/bl.shtml Removal: www.spamcop.net/fom-serve/cache/298.html Contact: www.spamcop.net/fom-serve/cache/401.html Background Spamcop.net is one of the oldest DNSBL’s of the many that are offered today. Their services were first publicly offered in 1992, and continue on to this day. On January 4, 2007 IronPort agreed to become a division of…

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The Spam and Open Relay Blocking System (SORBS)

Summary Status: Active Terms: Free and Paid Services Zones: 17 Website: www.sorbs.net Removal: www.sorbs.net/overview.shtml Lookup: www.sorbs.net/lookup.shtml FAQ: www.sorbs.net/faq Contact: www.sorbs.net/cgi-bin/mail Background S.O.R.B.S., also known as The Spam and Open Relay Blocking System (SORBS), has been providing DNS based spam blocking services since 1992. In it’s infancy, it served as a small daemon that parsed through…

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S5H Blocking List

Summary Status: Active Terms: Free Zones: 1 Website: www.usenix.org.uk/content/rbl.html Lookup or Removal: www.usenix.org.uk/content/rblremove Contact: www.usenix.org.uk/content/rblremovehelp Background The list is an aggregate of abusive hosts and spam sources. We take the view that de-listing should be a simple matter once the activity ceases and rely on the end users to notify us once the activity has…

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Not Just Another Bogus List Details

Summary Status: Offline as of 3/1/2013 Terms: Free with no charge mailing list membership. Zones: 4 Website: www.njabl.org [Offline] Lookup: www.njabl.org/lookup.html [Offline] Removal: www.njabl.org/remove.html [Offline] Contact: www.njabl.org/faq.html [Offline] Background NJABL, or Not Just Another Bogus List is a DNS based blacklist. NJABL.org started out of frustration with the amount of spam coming into the networks…

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MegaRBL Blacklist

Summary Status: Active Terms: Free Zones: 1 Website: www.megarbl.net Lookup www.megarbl.net/check Removal www.megarbl.net/account/inscription.php FAQ: www.megarbl.net/faq.php Background MegaRBL is a DNS based blacklist. It’s a French website whose goal is to offer its service for free to filter the spam that can be received every day. It proposes an RBL (Real-time Blackhole List) that anyone can…

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Junk Email Filter

Summary Status: Active Terms: Free Zones: 1 Website: wiki.junkemailfilter.com/index.php/Spam_DNS_Lists Removal: ipadmin.junkemailfilter.com/remove.php Lookup: ipadmin.junkemailfilter.com/remove.php Background Different lists have different criteria for listing that to a large extent reflects the personality of the people behind the list. Some lists are angry lists where they list everything and if you got on their list it’s your fault. There…

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