All posts
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Status of rbl.cluecentral.net: DEAD
The rbl.cluecentral.net DNSBLs were created in 2001 or 2002 by Sabri Berisha. The goal: To list " all known assigned IPv4 address spac...
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Status of blackholes.us: DEAD
Created by Matthew Evans in 2002 , the goal of the blackholes.us site was "to create (yet more) DNS blocklists of spammers, spam suppor...
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Status of vox.schpider.com: DEAD
Scott Glassbrook writes: "I ran a dnsbl, vox.schpider.com many many years ago. I stopped the DNSBL back in June of 2006, and shut down ...
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Status of bl.open-whois.org: DEAD
As of July, it looks like a popular blocking list used in default SpamAssassin installations is no more. Users were reporting false positive...
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TQMCUBE Status Updated
Here's a quick note to let you know that I've updated my page of information on the long-dead TQMCUBE blocking list. Click here for...
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SORBS Status: Shutting Down or For Sale
As reported on Spamtacular and on SORBS' website : "ANNOUNCEMENT: Possible SORBS Closure... ...
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Status of dnsbl.net.au: DEAD
The blocking list at dnsbl.net.au has announced it is winding down. As noted in a February 25, 2009 posting on its website , "Please no...
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Status of DSBL: DEAD
The DNSBL called "DSBL" is no more. As of March 11, 2009, their website reports : "DSBL is GONE and highly unlikely to return...
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Shutting Down Blocklists
As I often do, today I'm receiving reports about a DNSBL (which I've previously warned was dead) is returning false positive entrie...
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Security Sage Update
It seems today as though the Security Sage domains have expired and/or replaced by "placeholder" pages by their registrar. Net res...
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DSBL Current Status: DEAD
DSBL, the Distributed Sender Blackhole List, seems to have gone missing. The list appears to have been in operation since at least May, 2002...
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Help, we're listed on ORDB!
I've received multiple queries about this today, so I figured it would be wise to put up a quick message about this. ORDB is a long de...
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Status of rbl.spamhaus.org: NOT A BLOCKING LIST
My friend Mickey Chandler pointed out recently that he's been seeing some unusual bounces that look like this: Host blacklisted - Fou...
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Status of blackhole.securitysage.com: DOWN
The RHSBL ( right hand side blocking list ) blackhole.securitysage.com appears to have been created by Jeffrey Posluns and appears to have ...
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PSBL: Easy On, Easy Off
The Passive Spam Block List , or PSBL (psbl.surriel.com) is a spamtrap-driven anti-spam blocklist that has been around since at least June, ...
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Spamhaus ZEN: The DNSBL Resource Review
Spamhaus ZEN is a composite blocking list run by the Spamhaus Project . This UK-based organization was created in 1998 by Steve Linford, and...
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Status of completewhois.com: IN FLUX
Update 9/30/2007: The website www.completewhois.com is operational again, but some links appear to be broken. My attempts to query their DN...
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APEWS: Doing the Math
I'm guilty. I admit it. I've called APEWS listings "random," which isn't quite right. Arbitrary would be a better wor...
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What to do if you are listed on APEWS
If you are listed on the APEWS blocking list, as confirmed by checking their website , here's how I would recommend that you handle the ...
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APEWS News and Commentary Roundup
APEWS, the Anonymous Postmasters Early Warning System , is an “anonymous” blocking list that claims to run in the style of SPEWS. That is t...
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SORBS: Accuracy Rates and False Positives
The blocking list SORBS (aka the “Spam and Open Relay Blocking System”) was created in 2002 by Australian Matthew Sullivan. SORBS publishes...
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Status of dnsbl.radparker.com: NOT A DNSBL
For a time, SORBS was found to be inaccurately referring to “dnsbl.radparker.com” on the mail server configuration pages over on the SORBS...
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SORBS: Changes?
This thread on the news.admin.net-abuse.email newsgroup suggests that changes are afoot at SORBS. Apparently the entire spam.dnsbl.sorbs.ne...
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Changes at UCEPROTECT
Whatever your opinion of UCEPROTECT , hold on to your hat, as things are apparently about to change. This posting to the USENET newsgroup n...
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Status of dnsbl.tqmcube.com: DEAD
The DNSBL TQMCUBE was created by David Cary Hart sometime in 2004 or 2005. The front page of the website www.tqmcube.com was modified to sp...