It's a scam. The site is run by a well-known... uh... person... who goes by several names, among them Ayman Ahmed El-Difrawi, Michael El-Difrawi, Alec Difrawi, Alec Defrawy, Alec Defrawi, Alex Defrawy, Michael Defrawy, David Mellon, Michael Jenson, Michael Chandler, Alex Simon, Mike Thomas, and Phillip M Thomas.
He hides behind any of hundreds of domain names, most prevalently SilverStarJobs.com and internetsolutionscorp.com. The domain you got your message from (ideacareerservices.com) is registered to the same name as many of his other fraudulent sites:
The Career Network
400 Chesterfield Center
St Louis, MO 63017
This [expletive deleted] preys on people looking for work and sends them spam, claiming he has a "prior business relationship" with them. For more information, see the sites I list in my sources.