Spam Terrier
It conflicts with my av email guard
Pros: The best thing about this free spam filter is that by clicking on "email details" you can review the words used to rank a message as spam or valid. You can modify this "spam score" at your convenience. Another advantage for non-English speakers is that it's available in several languages.
Cons: On my PC, Spam Terrier seemed to conflict with my antivirus e-mail guard (I use Antivir Personal Edition Premium). Whenever I looked at the "spam score" mentioned in the PROs, I always came across the words "email guard" which obviously didn't come from the original message but from my antivirus. That's why I think that there must be some conflict which prevents most of the spam from being filtered. In the end, I had to uninstall Spam Terrier, but I'll give it a try again when I change my AV.
Spam Terrier
Weak filtering capability
Pros: It's well integrated and has a great interface. It's free and the parent company, Agnitum, is well established. The white and black lists work quite well, and it easily detects your contacts and people to whom you write and passes their mail as good.
Cons: The Bayesian filter really sucks. I trained it with 500 spam messages and as many good ones, and it still can't tell spam from good mail. It called everything spam until I decreased the aggressiveness of the filter. Now it freely allows words like viagra through, and even *****-based phrases don't trigger the spam filter. Hard as I try, I can't find a point where it allows mail through it is quite clearly not spam and stops spam that is blatant. This filter was the main reason I installed it and it's very disappointing. However, if all you need is white/black list capability then this program works well
Spam Terrier
Still waiting for it to do something
Pros: Easy to install
Cons: I've been training Spam Terrier on Outlook for a week and, like nmonro says, it still leaves really obvious spam sitting in my inbox. Loads of spam emails identical to those that I've already told it are spam. I think I'll go back to writing my own spam filter rules after this experience.
Spam Terrier
DIdn't seem to do a thing
Pros: Free
Cons: Didn't like Exchange much, needed regular user permission from Outlook to run.
After "training" and a 20 minute scan of my emails it still didn't detect anything. V1agra, C1alis, mickey mouse watches, whatever. All quite happily sitting in my Inbox. Ah well.
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