Tag: Gmail

Gmail Add another email address you own Authentication failed even if the password is correct

Jan 17, 2016

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by

Bryan Veloso

in Geekery

Did you encounter this error even if your password is correct? “Authentication failed. Please check your username/password. [Server response: 534-5.7.14 Please log in via your web browser and 534-5.7.14 then try again. 534-5.7.14 Learn more at 534 5.7.14 https://support.google.com/mail/answer/78754 m3sm2558931lfb.8 – gsmtp code(534) ]” Then you’ve come to the right place.