The Google Rediffmail Corporation — Lottery- Pls confirm whether it's true or false

Address:

Maharashtra

Sir,
I got a mail from with the content

"from: Google Award <[protected]@yahoo.com>
date: Mon, Oct 4, 2010 at 6:04 AM
subject: Google Award

We are Pleased to inform you that you have won a prize money of( £5,000,000.00 GBP ) by Google /Rediffmail Lottery inconjunction with the GOOGLE GMAIL CORPORATION,we collects all the email addresses of the people that are active online, through electronic balloting System without the winner applying"

Name:Mr.Cox Rooney
Email: mr.[protected]@live.com
Director Lottery Department
The Google Rediffmail Corporation"

Please i would like to knw whether its a prank.