Ha Joe! Typical of scams - the sums of money are far too high. They always over-egg the pudding don't they? If someone had $1,800,000 to leave, it certainly wouldn't be done by e mail would it? Or an ATM card through the post? The very idea!
Secondly, the English is a bit wonky in parts. Why don't they employ a native English speaker to proof-read the thing?
And lastly, they always invoke the names of very official-sounding Departments and Authorities.
I reckon you've got a classic scam there!