The Opt-in Sign up form is hard coded and there is no options in the plugin using to allow you to enter your own email (using WordPress 3.3.1. Pointless IMO. Just create a text box and put your own form or use form 'contact-form-7' with its short code or something similar.
A part from the nice theme it self rest is useless and confusing when used with WP.
Why things aren't working?
... because after reading every available posts in this forum, I have come to conclusion that creator only want us to debug his template and have NO interest in giving you the solutions. Check out his fees and you'll know what I mean.
So all you lot out there stop whining and just use it as is. It's free after all.