HAMPTON, England - Spammers are now said to be routing massive amounts of unwanted e-mail through their Internet service providers' computers, rather than sending it directly from individual machines, a technique that may negate anti-spam blacklists and could cripple electronic communication, according to such analysts as anti-spam group Spamhaus.
Spam is now estimated at 75 percent of all e-mail traffic coming into most ISP mail servers, and until now it was usually from one of two kinds of sources ? the spammers themselves, or hijacked proxy computers, both of which can be blocked efficiently, Spamhaus said February 3. Not so with routing it through their ISPs' computers, the group said, and not with America Online saying that over 90 percent of its incoming spam is coming from other ISP relays.
full story at AVN
id like to thanks the guys at PerfectGonzo for contributing to the problem - cheers fuckers