BEWARE EMAILS ASKING FOR REFUND ON ITEMS YOU AIN'T SOLD

I got an Email today at my BT account asking for a refund for some 'cards' I never sold. The Ebayer is a registered user based in America, Ebay I.D. :- heather32386. If you receive an Email requesting a refund on any item that you have not sold. Whatever you do, don't submit your password or any other details. I put 'michealmouse' in the I.D. box, a very naughty word