How to fix macOS Mail issues after upgrading to two-factor authentication.

Mail not working after macOS Mojave upgrade, how to fix.

Add Gmail manually using “Other Mail Account” in Apple Mail.

Enable access for “less secure apps” in your Google account.

Turn off two-step authentication for your Google account.

Remove Gmail from Keychain and enter your password manually.

Remove Gmail from your Mac, then add it again.

Deactivate Gmail on your Mac, then activate it again.

Check you can sign in on the Gmail website.Whatever is causing the issue for you, we’ve got the fix for it below! Quick Tips Use these quick tips - explained in more detail below - to resolve most problems with Apple Mail and Gmail: But there’s also a surge of new users getting the issue due to a bug in Apple’s release of macOS 10.14.4. Plenty of users experience “generic” Apple Mail authentication errors all the time. So, what exactly is going on here? Well…it could be one of two things. Google requires completing authentication in Safari After you do it, Apple Mail asks again and you’re stuck in an endless login authentication loop.Įnter the password for the account “(null)” Apple Mail keeps asking you to log in and authenticate your Google account using Safari. Ask any of the 2000+ other users who discussed the problem in this Apple thread.Įveryone has been experiencing the same problem. But recently there have been a lot more problems than usual as Gmail keeps failing to authenticate in Apple Mail.Īnd I’m not the only one this has happened to.

It isn’t news to say they don’t always place nicely together. Google and Apple: Two titans of technology that come together to serve up my emails.

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