Perhaps the password is not right? I mean, it can be reset easily enough, if you still have the email address - there's an option on the login page, at the bottom left. Up to you!
Oh, and also you can't login with an email. It has to be the username. That's so people who get an email address and password from a crack on some other site can't immediately login en-mass.
Perhaps the password is not right? I mean, it can be reset easily enough, if you still have the emai