How to fix [AUTH] invalid credentials for a pop.gmail.com account
I'm getting an invalid credentials message on an account using pop.gmail.com. How can I reset these ??
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It's an exact duplicate of an archived question that didn't have a solution.
"Error message on only one of my four gmail accounts.
"The STAT command did not succeed. Error getting message number and sizes. Mail server pop.gmail.com responded: Invalid credentials."
nothing has changed in my settings, yet this problem continues to present. need some help, please. "
The suggestion then was to set OAuth2 and that's what I did.
asmusf said
The suggestion then was to set OAuth2 and that's what I did.
That has been the required authorization method for gmail for some time. See https://support.mozilla.org/en-US/kb/thunderbird-and-gmail
As of May 30, 2022, Google no longer allows Less secure apps access for Gmail accounts, thus OAuth is required. If you are using Google supplied “app passwords“, Thunderbird version 91.8.0 and newer will make that conversion for you. Further, Gmail accounts do not work with Thunderbird 31 and older because they do not support Google's OAuth
Modified by Matt
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