Vipul's Razor / News: Recent posts

Razor2 is open and free.


I am pleased to announce that with the release of razor-agents
2.81[1] a new service policy has been introduced, that makes the
use of Razor2 service completely open and free. A license
introduced in 2003 restricted usage by third party integrators,
but the new license unencumbers all usage, commercial or

My company, Cloudmark, hosts and manages the backend
infrastructure that Razor2 agents use for reporting spam and
checking fingerprints. Cloudmark retains the right to deny
service to anyone abusing the backend, but will not, under
normal circumstances, restrict usage in any way.... read more

Posted by Vipul Ved Prakash 2006-05-26

Vipul's Razor v2 now available


I am happy to announce that the first beta of Vipul's Razor v2 is now
available for public download. The software is comprised of two source
packages, razor-agents and razor-agents-sdk that can be downloaded by
following these links:

For the most part, Razor v2 is a drop-in replacement for Razor v1.
Installation instructions are available in the INSTALL file which is a
part of the razor-agents distribution. The new website at also provides access to documentation online.... read more

Posted by Vipul Ved Prakash 2002-06-13

1st public release of Vipul's Razor, spam filtering network.

Vipul's Razor is a distributed, collaborative, spam detection and filtering network that exploits the broadcast
characteristic of spam distribution to limit its propagation. The primary focus of the system is to identify and
disable an email spam before its injection and processing is complete.

More information at

Posted by Vipul Ved Prakash 2000-05-21

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