This email with the subject "Congratulations!" was received in one of Scamdex's honeypot email accounts on Tue, 05 Dec 2006 08:10:30 -0800 and has been classified as a Generic Scam.
The sender was "eBay"<service@eBay.com>, although it may have been spoofed.
eBay offers this
month a great prize for members