Can no longer recieve Gmail emails or set up a new email account in Mac computer

Error setting up new Google email account on Mac 10.13.6 OC High Sierra

Authorization Error

Error 400: invalid_request

You can't sign in to Gmail account or set up a new Gmail account because it doesn't comply with Google's OAuth 2.0 policy for keeping apps secure.

You can let the app developer know that this app doesn't comply with one or more Google validation rules.

MacBook Pro 13″

Posted on Jan 23, 2024 9:35 AM

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Posted on Jan 23, 2024 10:50 AM

Hello Juliettekunin,

Google has strengthened its security and older Mac operating systems (OS X or macOS) are no longer compatible. This is why you are receiving this “Error 400.”

To connect your Gmail account on your Mac:

First, delete the Gmail account from your Mac if it still exists.
Then, you will have to create an application password: https://support.google.com/accounts/answer/185833?.
Finally, by adding the Gmail account in Mail on your Mac, choose "Other" and not "Google". Fill in your email address and application password.

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Can no longer recieve Gmail emails or set up a new email account in Mac computer

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