Пришло такое письмо: (см. ниже) Что делать?

Sir/Madam,
We are pleased to inform you of the result of the NLF ONLINE International Lottery programs that entered your email addresses amongst other addresses for the international lottery programs conducted by NLF ONLINE.
Your e-mail address attached to ticket number
07911425896-2000 with serial number 3872-506 drew lucky numbers 7-4-88-28-01-40, which consequently won in the 1st category, you have therefore been approved for a lump sum pay out of US$ 800,000.00 (Eight hundred thousand United States Dollars) from a total sum of USD $4,000,000.00 shared amongst the first 5 lucky winners entered in their category.
CONGRATULATIONS!!!
All participants were selected through a computer ballot system drawn from over 20,000 companies and 30,000,000 individuals email addresses and names from all over the world. This promotional program takes place every year. This lottery was promoted by some software corporation to compensate some few individuals with website and email addresses. After the Microsoft anti-various incident on August 2003.
However, you have automatically qualified to take part in our next year USD5 million international lottery programs.World Finance Group Lottery Agency
To file for your claim now, please contact
Agent: liu cheng address liucheng_24@ymail.com
Please provide him with your 6 digit numbers 8, 3, 7, 9, 5, 2 and your password RRTAz15. You are also advised to provide him with the under listed information as soon as possible:
1. Name in full:
2. Address:
3. Nationality:
4.. Age:
5. Occupation:
6. Phone/Fax:
If you do not contact your claims agent within 7 working days of this notification, your winnings would be revoked. Winners are advised to keep their winning details/information from the public to avoid fraudulent claim (IMPORTANT) pending the transfer/claim by Winner.
congratulations once again!!!
Sincerely yours,
Liu Cheng
Lottery Agent