Spam volumes return to the same levels as those seen prior to the takedown of the McColo ISP.
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.
Must-attend events in the anti-spam industry - dates, locations and further details.
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);
