Log into your account
and click the My Account link. You can change your e-mail address under the Profile tab

If you have forgotten your login information, e-mail sales@coffeecup.com with your old e-mail address and new e-mail address.

You must either e-mail us directly from your old e-mail address or, if you don't have access to the old e-mail account, provide us with the last four digits of the credit card you purchased the software with.