UK National Lottery review: claim for winning

Sir, suddenly a mail come from mr. donald wood that you are selected lucky winner by uk national lottery head quarterin my email [protected]@yahoo.in then i give some response then he sent me another mail by mr desmond lambat (managing director) of PFSC and his email id is [protected]@live.com then i response to him . after that another mail send by dr.smith neil(managing director) of omark global courier ltd and demand to me for courier payment uk pound 350.I think that it is a cheat fund .but, Sir there should be a hard step taken by uk govt.
thanks
santosh prasad