If you can remember your password you can still use your old email address to login. Once you have logged in, you can then update your email.
If you are unable to login
If you can no longer remember your password, have you given us any information that can identify you, such as your mobile number? If so, you can email us and we can try and work it out for you. If not, unfortunately, you will need to create a new account. Unused accounts are deleted are a period of time.