https://support.google.com/phoneapp/thread/335156067/how-to-change-email-in-%E2%84%9D%F0%9D%99%A4%F0%9D%99%97%F0%9D%99%9E%F0%9D%99%A3%F0%9D%99%9D%F0%9D%99%A4%F0%9D%99%A4%F0%9D%99%99-have-trouble-receiving-emails?hl=en