This is true whether or not you use Google for email. If you use another hosting provider but also use Gmail, you may need to have this question answered. It’s definitely more convenient if you could somehow still log in. Even though you can’t, Google provides a series of instructions for you to complete. However, remember that the best way to avoid retrieving a hacked email address is to safeguard it correctly. Put in place multi-factor authentication and obtain your Google recovery codes.