Probably like you, I received this:
You have won £850,000.00 British Pounds and consolation prize of a Dell Pentium 4 Laptop, a company T-shirt and Face cap in the National Online Sweeps email raffle Ref: LSUK/2031/8161/099 and Ticket Number:56475600545299 in our weekly online sweepstakes award program.
For further inquiry please contact our Claim Departmentbelow with your Ticket/reference numbers,
Contact: Richard A. Matlock
While researching it in scam sites, I found this – someone who pursued correspondence with Richard A Matlock with some enthusiasm, some cheek, a lot of patience and an eye to producing a great story: http://www.scamorama.com/wanker_katty_tom.html