This is probably the best third-party test of AV that I’ve seen in a while. They actually use a LOT of samples and they seem to have tested just about every possible AV product out there.
http://www.pcmag.com/article2/0,1895,2135092,00.asp
There are a couple of things that don’t sit well with me:
ClamAV scored very poorly. ClamAV is probably the most widely used AV scanner for Linux mail gateways out there. I use it and F-Prot in all of mine.
F-Prot scored pretty badly, too. Well, I seem to be 0 for 2 now.
Ewido bombed as well. Who is Ewido, you ask? Ewido was bought by AVG so while AVG did well, how will this affect their future performance?
AVG is my personal favorite. It’s free (for personal use) and works very well. I tried Avast! for a while and it didn’t pick up half the malicious files I tinker with that AVG usually catches. I also don’t like the Avast!’s interface AT ALL!
I could go on about what I like about AVG, but that’s not what the point of this thread is about.
One thing I did notice recently is that AVG has a Linux version. A FREE Linux version. A FREE Linux version packages as a .deb file! It sucks that they don’t have a source package available, or a binary file that will work on other distros, but I can’t complain that they offer a version for Debian, which is my OS of choice. I haven’t tested their version with Amavis, yet, but it’s on my todo list. It also appears that Avast! has a free Linux version (and they offer a .tgz file, too). I’m not crazy about needing to keep up with a key that will expire, but you really can’t complain about free.