I WIN $1 MILLION ON POWERBALL BUT I DID NOT BUY A TICKET !! SHOULD I CLAIM THE PRIZE ??

ANY SUGGESTION ??
This is the mail :

POWERBALL ONLINE INT'L JACKPOT/ LOTTERY ASSOCIATIONASIA PACIFIC REGIONAL OFFICEBANGKOK THAILAND
This is to inform you of the release of the Power ball Online Lottery PRIZE DRAW, held on the 1ST of OCTOBER, 2009. Your email was attached to ticket number 085-12876077-09 with serial number 51390-0 that drew the lucky numbers of 03-06-18-10-12-16-27, which consequently won the lottery in the 5th category.
You have therefore been approved for a lump sum pay of $1.000, 000.00. (ONE MILLION UNITED STATE DOLLARS ONLY), in cash credited to file with REF: N.EGS/3662367114/13.

This is from a total cash prize of 50,020.225.00, shared among the Fifty international winners in this category. You are required to file a letter of claim to the coordinator for further instructions and directives on how to claim your prize.
All participants were selected through a computer ballot system drawn from 25,000 names, email addresses & official addresses, from Asia, Australia, New Zealand, Europe, North and South America, Middle East and Africa, as part of our International Promotions Program.

To begin your lottery claims, Please contact our coordinator with your follows details, Your Full Name: Your Complete Address : Occupation: Date of Birth (Day/Month/Year): Direct Telephone/Mobile Number: NOTE: In order to avoid unnecessary delays and complications, please remember to quote your reference and batch numbers in all correspondences with us, furthermore, should there be any change of address, please do inform our Coordinator as soon possible.