Upon deleting the account and re-adding it under System Preferences I now receive the same error as qwerty posted above.

Apr 10, PM in response to chassa In response to chassa. I'm glad it's not just me, but sorry that all of you guys are having trouble too. I just installed After changing my Google password twice, I finally started to think that maybe I hadn't caused the problem, so I Googled it and found this thread.

Misery loves company, I guess. Apr 10, PM. Apr 11, AM in response to josefrommississauga In response to josefrommississauga. Thanks - fixes posted here allow Google 2-step verification to work per-app, as existed pre Apr 11, AM.

Apr 11, AM in response to chassa In response to chassa. Same problem here after Getting errors from "Internet Accounts" with 2-step Google verification, but only on one of my three Google accounts.

I have a regular Google account working fine and two Google accounts set up via "Google Apps" both from employers; one works and one doesn't.

I enter my password into "Internet Accounts", which it seems to accept since it then sends me a 2-step verification code to my cell phone.

Once I enter that code, it accepts it and brings me to a screen that says "OS X would like to: View and manage mail, profile info, etc. Clicking "Accept" on that yields: "Authentication failed - Failed to authenticate with Google.

Mac Mail still works with all three accounts, fortunately, but the error keeps coming up in "Internet Accounts. The account that is having problems is the only one of the three where I use a different e-mail address than my login with Google.

In other words, my login is for example : " fred abc. Of course, I have no idea if that has anything to do with it.

FJ, my situation is very similar to yours: two logins to Google, both attached to the same account through Google's combined-accounts thing. One works fine, but the one where I use my alternate, non-login email address keeps bugging me for a password that it never accepts.

And same as you, mac mail is working fine. With so many people seeing this kind of problem, maybe it will show up on Apple's radar soon and they'll get it fixed.

Well, from reading several posts, it sounds like this may be affecting people who use Google Apps for e-mail rather than regular Google accounts?

That may be why only a limited number of people are reporting this I'm guessing this thread would be posts long if this were a broader Gmail issue with Also, in case it helps anyone: My e-mail fails configured with three Gmail accounts, one regular and two via Google Apps when I use either of the two recommended ports or for the outgoing SMTP server.

Using Port 25 works, however. It doesn't fix the problem with Internet Accounts discussed in this thread, but it does get Mac Mail working for me.

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Search Support Search. Home Support Forums Thunderbird Login to server imap. Learn More. Bit-Tiger Question owner. Wayne Mery Top 10 Contributor Moderator.

I tried that and I got the message that my browser needs to enable cookies. My workaround is to use MS Outlook.

I can log on outlook online just fine, it is just via thunderbird that it does not work any longer. Before this issue, everything was working fine, nicely synchronized..

The only "suspicious" thing is that I did delete a "sent-mail" folder from Thundderbird, I believe it was a leftover of when I was trying to sync outlook with thunderbird.

It did work but then this login issue started happening. First of all, I want to set up an expectation that the mail client is Thunderbird, which is not a Microsoft product.

We may have limited knowledge about it. The issue is caused by the mail client. I suggest you first check the SMTP related settings based on how you configured the mailbox:.

If the same issue persists, please contact the Thunderbird support for further assistance. And if you need any assistance on our side, please feel free to let me know in the forum.