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Connecting to Gmail keeps asking for password. I have not changed any of my log in credentials.

  • 1 reply
  • 2 have this problem
  • 12 views
  • Last reply by christ1

maciej3
maciej3
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I am using Gmail as my email hosting and connecting via IMAP. Has not been an issue for years now, but all of a sudden there is an issue with Thunderbird connecting to Gmail. It keeps asking for password, and does not sync. This all started yesterday 04/28/2025. Is there some sort of update? Is it on the Thundebird side or the Gmail side that I need to update something? I have not changed any of my log in credentials. Thank you for any input possible.

I am using Gmail as my email hosting and connecting via IMAP. Has not been an issue for years now, but all of a sudden there is an issue with Thunderbird connecting to Gmail. It keeps asking for password, and does not sync. This all started yesterday 04/28/2025. Is there some sort of update? Is it on the Thundebird side or the Gmail side that I need to update something? I have not changed any of my log in credentials. Thank you for any input possible.

Modified by Wayne Mery

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christ1
christ1
  • Top 25 Contributor
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Assuming you're using OAuth2 authentication for your Gmail account, the authentication token Thunderbird remembered does expire every once in a while. When that happens Gmail will prompt you to re-authenticate.

Modified by christ1

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