I received this mail today

Ref:
YM35447XN

Batch:
YM09102XN

============================= 

Dear
Guaranteed
Winner 

This is
to inform you that you have won a prize money of Seven hundred

and Fifty
thousand Great Britain Pounds Sterlings(£750,000.00) for the

2010 Lottery

promotion organized by YAHOO/MSN AND

MICROSOFT
WINDOWS PROMOTIONS.Your email id was randomly selected

without
you applying. 

We
congratulate
you for being one of the five persons selected You are to contact

the events
manager for claims.These are your identification numbers: 

Batch
number...................YM09102XN

Reff
number.......................YM35447XN

Winning
number...............YM09788 

How ever
you will have to fill and submit your contact informations to the event

manager
below: 

1. Full
Name..............

2. Contact
Address.............

3.
Age....................

4. Telephone

Number............

5. Marital
Status.........

6.
Sex....................

7.
Occupation.............

8.
State:.................

9.
Country................

10.Nationality............

11.How Do
You Feel Has A Winner.......

12.Your
Reference and Batch number at the top of this mail


I really dont know how they are getting benefit with this business? Can anyone tel me ?