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I used to see this kind of emails coming to my work account every day, around 10 on an average at its peak. It also had an attachment, with a doc.pif extension. My IS dept guys used to tell me it was some kind of virus in the mailserver, trying to send emails as me. Today, I received one such email on Gmail, the first for me. Is it virus in Gmail server? or spoofing going on somewhere else? Maybe even Gmail is vulnerable, after all!