Spammers’ Shopfront Vigilantism, Part II
Further to my previous posting, here’s another way to keep the spammers out by checking out the links they want you to go to.
Sophos, the British virus people, say that their year old URL filtering “continues to prove to be an enormous success”. The filtering basically collects known spam sites and bans any email which contains them somewhere in the message. Today, Sophos says, the URL filter identifies over 50% of the spam detected by Sophos PureMessage email software.
An innovation, Spammer Asset Tracking, goes further by looking at the source and destination locations of the email, sniffing for suspicious spammer activity. This speeds up adding spam sites to the blocked list.
Not a bad idea, and a feature that home-based spam filtering, such as Bayesian filters, couldn’t really manage to do. No mention is made of scam emails in the press release, but I assume they must be in there somewhere, given Sophos’ interest in such matters. (Stopping them, I mean, not sending them.)