Have you noticed an increase in spam in your inbox? Last September Microsoft and Kaspersky managed to temporarily disable a botnet comprised of an estimated 45,000 computers. A botnet is a collection of compromised computers connected to the Internet (
Well, the bad guys have managed to reestablish control of Kelihos, and with 45,000 computers it sends an estimated 4 billion spam messages a day. It seems like most of it is directed to email servers I manage. You can get more details by clicking here.
So what can you do to block spam? There isn't a silver bullet, but here are some programs that can help.
As always, be aware of piggyback programs.