Well I can’t say that I am surprised but spammers are sending spam that once infected into you your PC will become a re-mailer. The spam actually installs a SMTP client on your computer. I am going to try and research this some more but I am very disturbed to here the spammers have resorted to this. The recipient has to launch the program and the guise the “Proxy-Guzu” is being delivered is supposedly a Trojan horse that promises a peak at some XXX webcam. [The Register] another article [MacMegaSite]