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After updating Thunderbird to 60.8.0 (32-bit), I can no longer log in to my primary Gmail account, using either my old password or a new one. How can I fix?

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I use Thunderbird for 3 Gmail accounts. After I updated to 60.8.0 a few days ago, I cannot log in to the primary account. The error message reads "Login to server imap.googlemail.com with username uhbc300@gmail.com failed." However, the other 2 accounts can still log in just as before. And I can log in to the "uhbc300" account without problems when I connect to gmail through a browser ( I think that's called "webmail"). Apparently, Thunderbird is no longer presenting a recognizable password to the gmail server for one account, but it still works correctly for the other two accounts. It doesn't look like a problem with the gmail server, and I don't know what to fix or change in Thunderbird. I might just have to quit using Thunderbird, and get a different email client. I will appreciate any advice. I am a retired systems engineer, system administrator, programmer/analyst, etc.

I use Thunderbird for 3 Gmail accounts. After I updated to 60.8.0 a few days ago, I cannot log in to the primary account. The error message reads "Login to server imap.googlemail.com with username uhbc300@gmail.com failed." However, the other 2 accounts can still log in just as before. And I can log in to the "uhbc300" account without problems when I connect to gmail through a browser ( I think that's called "webmail"). Apparently, Thunderbird is no longer presenting a recognizable password to the gmail server for one account, but it still works correctly for the other two accounts. It doesn't look like a problem with the gmail server, and I don't know what to fix or change in Thunderbird. I might just have to quit using Thunderbird, and get a different email client. I will appreciate any advice. I am a retired systems engineer, system administrator, programmer/analyst, etc.

Chosen solution

Gmail imap accounts can connect to server using Authentication Method :OAuth2. This is the method gmail likes you use. Are you using 'OAuth2' or 'Normal Password' for incoming and outgoing server? See images below as guide.

If you are using 'Normal Password' in the 'Authentication Method', then gmail has a habit of occassionally deciding to deliberately block you. This problem is common place. You would need to logon to webmail account and set the option to use 'Less secure apps'. Then restart Thunderbird. Gmail claim it is a less secure method, but it isn't providing you use a good password of various letters and numbers etc. https://support.google.com/accounts/answer/6010255?hl=en

Alternatively, you can modify the Authentication Method to 'OAuth2', click on all 'OK's, then restart Thunderbird. You are less likely to have gmail deliberately blocking you using OAuth2. Gmail will redirect you to a browser and ask you to logon to confirm you really are you. Then a token is added to the saved passwords in Thunderbird and from then onwards the token is used instead of Normal Pasword.

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  • User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0

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Toad-Hall
  • Top 10 Contributor
1738 solutions 11607 answers

Chosen Solution

Gmail imap accounts can connect to server using Authentication Method :OAuth2. This is the method gmail likes you use. Are you using 'OAuth2' or 'Normal Password' for incoming and outgoing server? See images below as guide.

If you are using 'Normal Password' in the 'Authentication Method', then gmail has a habit of occassionally deciding to deliberately block you. This problem is common place. You would need to logon to webmail account and set the option to use 'Less secure apps'. Then restart Thunderbird. Gmail claim it is a less secure method, but it isn't providing you use a good password of various letters and numbers etc. https://support.google.com/accounts/answer/6010255?hl=en

Alternatively, you can modify the Authentication Method to 'OAuth2', click on all 'OK's, then restart Thunderbird. You are less likely to have gmail deliberately blocking you using OAuth2. Gmail will redirect you to a browser and ask you to logon to confirm you really are you. Then a token is added to the saved passwords in Thunderbird and from then onwards the token is used instead of Normal Pasword.

Gmail imap accounts can connect to server using Authentication Method :OAuth2. This is the method gmail likes you use. Are you using 'OAuth2' or 'Normal Password' for incoming and outgoing server? See images below as guide. If you are using 'Normal Password' in the 'Authentication Method', then gmail has a habit of occassionally deciding to deliberately block you. This problem is common place. You would need to logon to webmail account and set the option to use 'Less secure apps'. Then restart Thunderbird. Gmail claim it is a less secure method, but it isn't providing you use a good password of various letters and numbers etc. https://support.google.com/accounts/answer/6010255?hl=en Alternatively, you can modify the Authentication Method to 'OAuth2', click on all 'OK's, then restart Thunderbird. You are less likely to have gmail deliberately blocking you using OAuth2. Gmail will redirect you to a browser and ask you to logon to confirm you really are you. Then a token is added to the saved passwords in Thunderbird and from then onwards the token is used instead of Normal Pasword.

Modified by Toad-Hall

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Toad-Hall
  • Top 10 Contributor
1738 solutions 11607 answers

Helpful Reply

I notice you are using eg: imap.googlemail.com

I use imap.gmail.com and smtp.gmail.com as per previous images show. You could try changing the server name if there is still a problem. See gmail imap settings here: https://support.google.com/mail/answer/7126229?hl=en-GB

I notice you are using eg: imap.googlemail.com I use imap.gmail.com and smtp.gmail.com as per previous images show. You could try changing the server name if there is still a problem. See gmail imap settings here: https://support.google.com/mail/answer/7126229?hl=en-GB
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Question owner

I had to search for a while in my webmail GMail account to find where I could change the "less secure apps" setting, but when I managed to set it to allow "less secure apps", and then re-started Thunderbird, all my most recent mail in the problem account immediately down-loaded. Many thanks. I found it to be most helpful that you commented that this problem of Gmail arbitrarily blocking account access from Thunderbird is a common occurrence. This helped me to get on the right track and work on the problem as a Gmail issue, and stop worrying that it had something to do with the Thunderbird version update. I guess I'm not surprised that Google chooses to regard Thunderbird (and Apple "Mail" and Microsoft Outlook) as "less secure"--it appears that they expect a user to connect via a web browser, rather than an "old-fashioned" email client running on a desktop system. Meanwhile, I've wasted way too much time on this problem, which should never have happened to begin with. Thanks again, you've saved me a lot of frustration.

I had to search for a while in my webmail GMail account to find where I could change the "less secure apps" setting, but when I managed to set it to allow "less secure apps", and then re-started Thunderbird, all my most recent mail in the problem account immediately down-loaded. Many thanks. I found it to be most helpful that you commented that this problem of Gmail arbitrarily blocking account access from Thunderbird is a common occurrence. This helped me to get on the right track and work on the problem as a Gmail issue, and stop worrying that it had something to do with the Thunderbird version update. I guess I'm not surprised that Google chooses to regard Thunderbird (and Apple "Mail" and Microsoft Outlook) as "less secure"--it appears that they expect a user to connect via a web browser, rather than an "old-fashioned" email client running on a desktop system. Meanwhile, I've wasted way too much time on this problem, which should never have happened to begin with. Thanks again, you've saved me a lot of frustration.
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