DEAR MR!

I HAVE RECEIVED AN E-MAIL FROM:
BRITISH NATIONAL LOTTERY HEADQUARTERS:
28 TAN FIELD ROAD,
CROYDON, LONDON.
CUSTOMER SERVICE

Where WOS WRITE, I have Won In Date February 13 th 2009.
AS YOU HAVE ASKED MY DATA, I WOS SEND A MAIL FOR MR. HARRY GOLD.
I WOULD LIKE TO KNOW IF I HAVE WON REALLY, OR A JOKE?
IF I WON REALLY, WHAT I HAVE TO DO NOW?