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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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PSBL: Passive Spam Block List powered by Spamikaze

Posted by jpluimers on 2018/11/01

On my research list: [WayBackPassive Spam Block List:

PSBL is an easy-on, easy-off blacklist that does not rely on testing and should reduce false positives because any user can remove their ISP’s mail server from the list.

The idea is that 99% of the hosts that send me spam never send me legitimate email, but that people whose mail server was used by spammers should still be able to send me email.

This results in a simple listing policy: an IP address gets added to the PSBL when it sends email to a spamtrap, that email is not identified as non-spam and the IP address is not a known mail server.

Via: Hans Wolters commenting at [WayBack] For my research list: Source: Bruteforce login prevention… – Jeroen Wiert Pluimers – Google+

References:

–jeroen

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