Guru Zim sounds right on the money, I think. Check where your incoming mail is being sent from, that'll probably solve your mystery. Wouldn't hurt to have someone in your time zone fire you off a test email to check, either, if that's not inconvenient. Okies, I'll hush now. Hopefully it's nothing serious at all!
"Look. Keep your grandparents offline. I can't stand the thought of my own sweet nan coming into a chatroom to be textually spanked by someone like me."
I just got a TomTom GO 510 (tomtom.com) navigation system for my birthday, and it is glorious. (You really can't overestimate how badass it is to have Michael Caine directing you. Yes, even more than John Cleese... but not much.)