Your userID most likely is not your email address ... and it really should not be....
Try these steps to recover your User ID or password:
Once you’re done, we’ll either send you a code to help you recover your account, or show/send you a list of accounts associated with your info.
Keep in mind: Once you’re back in your account, make sure to include or update your phone number. Doing so helps increase account security and ease account recovery.
(If you're looking to access a prior year return, go here.)