2009-04-01
Abstract
Anti-spam news; Mail authentication with Domain Keys Identified Mail - part one (feature)
News
Spam levels recover
Spam volumes return to the same levels as those seen prior to the takedown of the McColo ISP.
Feature
Mail authentication with Domain Keys Identified Mail – part one
Message authentication is a promising technique that can be used to help separate wanted email from unwanted email, and Domain Keys Identified Mail (DKIM) is an authentication technique that seems likely to gain wide acceptance. John Levine looks at what message authentication is and how DKIM works.
Calendar
Anti-spam industry events
Must-attend events in the anti-spam industry - dates, locations and further details.
Virus Bulletin
Virus Bulletin - April 2009
Flooding the cloud (comment); Anti-unpacker tricks - part five (technical feature); Your PC is infected (malware analysis); The new iBotnet (malware analysis); VB100 on Windows XP SP3 (comparative review);
![]() |
Magazine | ![]() |
![]() |
Quick Links | ![]() |
![]() |
Poll | ![]() |
| ||||||
![]() |
VB100 certification | ![]() |
| ||||||
Virus Bulletin currently has 224,238 registered users.






This month's VB100 test saw some major changes and a radical overhaul of the VB100 test methodology - for the first time allowing products to use their 'cloud' look-up systems. John Hawes has all the details.