An Example of a Sad Google Account Recovery Failure and Its Effects 3 years ago
A few weeks ago, I was in a similar situation, I needed to read an email on an old account. I typed my email, my password and then an error, it was blocked for some reason, it asked me to check my recovery email, except that email was never validated (there was a mistake in the domain extension). It should never have blocked an account with a valid password when the recovery email was never validated. I successfully talked to human support, they told me they could do nothing about it. It magically unlocked a few months later, if you lost your account, keep trying, one day you may access it