The only remarkable thing about all this is how effective the social engineering was. See also
Julia McKinnell : What does it say about you if you opened it? "I was even feeling sorry for Malvolio because he got tossed into the dark house -- the mad house -- on account of his self-delusion, but now, I'm more feeling sorry for myself. What does it all mean?" Meanwhile, I don't know squat about Microsoft email servers but isn't there a config file where you can tell it delete messages with attachments named foo.bar? I know you can hack Unix systems to that effect and it does a pretty good job of preventing, or atleast slowing down, the kind of death spiral that happened yesterday.