Blacklists rendered useless as spammers leap ahead
Spammers are continuing to stay one step ahead of the antispam community as a recent innovation makes blacklists - where e-mails from suspicious sources are blocked -- virtually useless.On Thursday, anti-spam organisation SpamHaus, which compiles blacklists that block around eight billion e-mail messages a day, reported that spammers have started sending spam via the mail server of an infected PC's Internet service provider.