Gmail Authentication Error

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How do you solve: 535 5.2.1 Login to your account via a web browser to verify your account.

The server, usually gmail is asking you to login to the web first.

If you’ve turned on 2-step verification, you'll need to use an application-specific password to authorize each desktop application, phone or other device that accesses your account. For example, if you use your Google Account on your Android phone and the Picasa desktop application, you would need to create and use two application-specific passwords.

If you’ve had trouble using an application-specific password on your phone:

1. Go to https://accounts.google.com/DisplayUnlockCaptcha on your phone's browser.
2. Enter your username and password, then type the letters on the screen.
3. Go back to the application you're trying to access and enter your application-specific password.