Fedex Company, London And Ecowas Head Office Nigeria And Pagis. Mariesignhotmail.com — WHAT TO DO

I have some mails like "We have a Parcel contained an International Cashier Bank Draft/Cheque worth the sum of Eight Hundred Thousand Dollars ($800.000.00 USD) which will be deliver to you at the moment as long as you provide all the requirement information to the FedEx package company before the parcel can be shipped to your own residential address in your country" and"I am Mr.David Chin I am an Independent auditor i work with Dalian Bank China, during my last auditing I realized an unclaimed Bank Draft of 8, 528, 000GBP I need an honest person that I can present as the beneficiary to these funds.For more details Get back to me thru my private email " I could not be assured. I am a simple student and i hve send my address them without sending the "sum of $220.00 USD to the FedEx Delivery Department being payment for the Insurance Fee of the FedEx Company".Please help me what to do.