Perhaps if you log into google in safari, go through the two factor auth process, Mail.app will suddenly start working again? I'm not sure how google's two factor auth uses, I think if you have used two factor auth from that IP address recently, it will accept password-only authentication.įailing that, you might have better luck on a google specific support forum, or just waiting for it to be fixed (you can't be the only person experiencing this issue).

To the right of that click the list, and choose Edit SMTP server list. Deleting the account in Mail.app and creating a new one with the same username/password has no impact at all on what data it sends to google's server, so it's impossible for that to solve the problem you're having. Apple Mail (Mac OS X) At the bottom should be Outgoing Mail Server (SMTP). The real issue is happening on google's server and something else is solving it. You will be prompted to further configure your Outgoing Mail Server. You might have expected them both to be. I think this is unlikely to be a problem with mail.app, and deleting/re-creating the account is a red herring. Notice the incoming mail server is, but the outgoing mail server is. SMTP uses password authentication, and two factor auth sets up your account so that a password alone is not enough to access your account.

Review information for the server change settings as directed by your email account provider. Click Server Settings, click the outgoing Account pop-up menu, then choose Edit SMTP Server List.

Are you sure google isn't simply kicking you out after a month or so, because you have to refresh your two factor auth login? In the Mail app on your Mac, choose Mail > Settings, click Accounts, then select an account. Click Mail > Preferences > Accounts (select yours) > (select) Account Information > Click the Drop Down (,, etc), select Edit Server List > Advanced > Click the Drop Down Box under AUTHENTICATION, select PASSWORD To find this menu, be sure to uncheck, Automatically manage connection settings.

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