this "exchange" lost all credibility seeing it is hosted @dreamhost
Couldn't be worse choice. While it might workout just fine, to begin with big money on a shared server, with a budget "unlimited" provider ...
Cheapest dedis cost under 10€ a month - couldn't afford one?

Wonder do they still provide SSH access as well to all webhosting customers .... Just saying there is a ton of attack vectors which shouldn't exist with something involving money ...