Posts by: Amir Harel

 

SpamAssassin – What It Is & How Commtouch’s Plug Works With It

September 9th, 2008 by Amir Harel | Category: Email Security | Leave a comment »

SpamAssassin™ was first introduced by Justin Mason in the Open Source software site SourceForge.net in April 2001. Since then, it has been adopted by many small-medium sized businesses, service providers and integrated by value-added resellers (VARs) to be used as their core infrastructure.
The beauty of SpamAssassin is in its infrastructure rather than in the technology [...]

Everything you need to know about NDR Spam (aka “Backscatter”)

July 1st, 2008 by Amir Harel | Category: Email Security | 1 Comment »

Recently there has been a lot of discussion and reports about an increasing amount of NDR messages triggered by spam. Since the NDR problem become a major factor in the spam world, and I noticed that there are some confusion about it, I thought it’s important that I’ll give a short overview of the problem [...]

Commtouch Research Center – A Cool Botnet Tool

Last month we released our new service – GlobalView Zombie Intelligence. Commtouch Zombie Intelligence is a real-time feed of data containing zombies IPs along with rich information about their activity and behavior.
As a result of our research and development in the field of zombies and bots, we are constantly gathering a vast amount of data [...]