To avoid confusion, make sure to explain you do not have access to the email address and they will assist you with updating it. Please continue working with the agent on your ticket and let them know if your issue remains unresolved! ^AM

I already explained the problem but they want proof that this account belongs to me, like transaction references etc, but since it's an old account and it was a gift I don't have any of that, and the questions of safety I don't remember.