sveard writes of a little problem Google is having that has Gmail acting like an open relay. Compounding the issue is the fact that services such as Hotmail and Yahoo trust Gmail as a source of mail. "A recently-discovered flaw in Gmail is capable of turning Google's e-mail service into a highly effective spam machine. According to the Information Security Research Team (INSERT), Gmail is susceptible to a man-in-the-middle attack that allows a spammer to send thousands of bulk e-mails through Google's SMTP service without fear of detection. This attack bypasses both Google's identity fraud protection mechanisms and the current 500-address limit on bulk e-mail."

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