This one is a classic. Has been around quite a lot.

It's good you did not send any money.

The domain of their email "immigrationservicedept.com" was created last month (2017-01-26) according to WhoiIs: http://whois.domaintools.com/immigrationservicedept.com If you go to that page, you will find the email address of their registrar, name.com (based in Denver CO): abuse@name.com where you can report them.