If you see this message:
We can’t send sign-in emails right now because too many went out this hour. Sign in with Google, or try again later.
Sign in with Google, or wait and try your email again later.
If Google sign-in shows Failed to get OAuth URL or No authorization code received: try again and finish the steps in your browser. If it keeps failing, use your email instead.
If your code or link hasn’t arrived: check your spam folder and make sure you typed the right address.