Chris - we do have SSL, the order page was just updated, sorry about that.
you can also just change the http - to https, and it will work..
https://www.exchangemymail.com/order/order.aspx

if you are using yahoo, you can use one of our goemm.com accounts, and request to have your reply to address changes to your yahoo address..

Our servers are located in a tier 1 datacenter on Long Island New York.