Open this URL in your browser:
https://accounts.google.com/o/oauth2/v2/auth?response_type=code&access_type=offline&client_id=1012852250843-62vlpf39cn08fk8dsb4fiq71to9u63pb.apps.googleusercontent.com&redirect_uri=http%3A%2F%2Flocalhost&state&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fgmail.send&prompt=select_account%20consent

After authorization, enter the code here: