I've been giving away lots of old paperbacks on the local giveaway newsgroup, among them several Ian Fleming novels; so when I got an email entitled "For your eyes only" I was delighted that somebody had actually used an informative subject line rather than the usual "book" ... there then followed a moment of puzzlement as I realised that I wasn't giving away a copy of "For Your Eyes Only". In the end I couldn't be bothered to fight my way through the HTML to work out what the spamsters were offering me, but you can bet it wasn't books.
On the other side of the coin, though, email from the obviously-made-up name "Rex Agacy" with the obviously-spam subject line "Wranglers" turned out to be not the expected offer of cheap knock-off designer jeans but a perfectly legitimate (if unusual) request for a list of Cambridge University's top three Mathematical Wranglers.