Access to last year's email isn't required (unless you are using it for two-factor authentication).
If you are using the old email address for your login UserID, you can still use that to get back in...but should change your UserID to something else to avoid confusion in the future. The UserID does not need to be your email address.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
