Just ask former CIA Director Gen. David Petraeus . And truth be told, 99.9% of the time it doesn't even require the FBI's help to figure out where that email message actually came from.
Jerry writes, "I have a question about spam of all things. I'm on the client side now at company X and I am talking with their email group about opt-in permission. I'm learning they're not exactly worried about the opt in status of the customers getting their p…