Forensic linguistics for spam detection

We're all getting quite good at spotting email spam now. Our filters are pretty clever and get rid of all the obvious stuff anyway, so that leaves us with just the non-malicious stuff from companies we've bought things from, and the ones that the filter can't quite detect. Most of us don't fall even for these ones, but some people obviously still do, or they wouldn't still be doing the rounds. Almost all of these tell you something about your account, either the email account you're using or some other account that they purport to be from, and ask you to verify your details. By doing this, you're giving your details to some scammer who will then use them for nefarious purposes.

Now I think that this is the chance for linguistics to come into its own, and simultaneously force everyone to learn how to write properly. The plan is twofold: