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Gmail blocking Thunderbird

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My issue began when I changed my Gmail password. Now every time I try to connect to gmail, Google login prompt pops up. I keep clicking "allow", but to no avail. Google security notified me that an unauthorized device was trying to gain access to my gmail account and gives me no options. What am I to do?

All my settings seem to be in order both in Gmail and Thunderbird. What have I missed?

Note: two other Gmail accounts are working seamlessly.

Please help.

My issue began when I changed my Gmail password. Now every time I try to connect to gmail, Google login prompt pops up. I keep clicking "allow", but to no avail. Google security notified me that an unauthorized device was trying to gain access to my gmail account and gives me no options. What am I to do? All my settings seem to be in order both in Gmail and Thunderbird. What have I missed? Note: two other Gmail accounts are working seamlessly. Please help.
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  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:70.0) Gecko/20100101 Firefox/70.0

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sfhowes
  • Top 10 Contributor
1911 løsninger 9558 svar

Did you update the password in Tools/Options/Security/Passwords/Saved Passwords, show passwords, right-click, Edit Password?

Did you update the password in Tools/Options/Security/Passwords/Saved Passwords, show passwords, right-click, Edit Password?
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Nyttigt svar

sfhowes said

Did you update the password in Tools/Options/Security/Passwords/Saved Passwords, show passwords, right-click, Edit Password?

Yes. Been there. Done that. I also deleted the account and tried to add it back. Same Google login prompt pops up every time. I "allow" and nothing happens.

''sfhowes [[#answer-1262432|said]]'' <blockquote> Did you update the password in Tools/Options/Security/Passwords/Saved Passwords, show passwords, right-click, Edit Password? </blockquote> Yes. Been there. Done that. I also deleted the account and tried to add it back. Same Google login prompt pops up every time. I "allow" and nothing happens.
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sfhowes
  • Top 10 Contributor
1911 løsninger 9558 svar

Nyttigt svar

There's a problem today with adding gmail accounts with OAuth authentication:

https://support.mozilla.org/en-US/questions/1271710

There's a problem today with adding gmail accounts with OAuth authentication: https://support.mozilla.org/en-US/questions/1271710
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sfhowes said

There's a problem today with adding gmail accounts with OAuth authentication: https://support.mozilla.org/en-US/questions/1271710

Thanks for the link. Misery loves company.

''sfhowes [[#answer-1262442|said]]'' <blockquote> There's a problem today with adding gmail accounts with OAuth authentication: https://support.mozilla.org/en-US/questions/1271710 </blockquote> Thanks for the link. Misery loves company.
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sfhowes
  • Top 10 Contributor
1911 løsninger 9558 svar
See https://bugzilla.mozilla.org/show_bug.cgi?id=1592407 and comment #22. TB 68.2.1: https://www.thunderbird.net/en-US/thunderbird/68.2.1/releasenotes/

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rf3 0 løsninger 1 svar

Thank you sfhowe! I changed "autho2" to "normal password" and it works!

Thank you sfhowe! I changed "autho2" to "normal password" and it works!
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MissNess 0 løsninger 4 svar

This happened to me yesterday. A password was changed on one account and now Thunderbird can't access that Google account and I get a "Authentication failure while connecting to server imap.gmail.com". I have uninstalled and reinstalled Thunderbird removed and re-added the account that isn't working and still nothing. The other account is working fine (and all settings seem to be the same). I have checked the Google account settings and made sure that Enable IMAP is checked. I have Thunderbird as a third party with permission to access that account in Google. I've tired changing from "autho2" to "normal password" and still nothing. All that seems to be happening is lots of security alerts from that Google account. If this doesn't work out I will have to revert to the Windows 10 Mail program which is terrible! Please help!

This happened to me yesterday. A password was changed on one account and now Thunderbird can't access that Google account and I get a "Authentication failure while connecting to server imap.gmail.com". I have uninstalled and reinstalled Thunderbird removed and re-added the account that isn't working and still nothing. The other account is working fine (and all settings seem to be the same). I have checked the Google account settings and made sure that Enable IMAP is checked. I have Thunderbird as a third party with permission to access that account in Google. I've tired changing from "autho2" to "normal password" and still nothing. All that seems to be happening is lots of security alerts from that Google account. If this doesn't work out I will have to revert to the Windows 10 Mail program which is terrible! Please help!
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sfhowes
  • Top 10 Contributor
1911 løsninger 9558 svar

MissNess said

This happened to me yesterday. A password was changed on one account and now Thunderbird can't access that Google account and I get a "Authentication failure while connecting to server imap.gmail.com". I have uninstalled and reinstalled Thunderbird removed and re-added the account that isn't working and still nothing. The other account is working fine (and all settings seem to be the same). I have checked the Google account settings and made sure that Enable IMAP is checked. I have Thunderbird as a third party with permission to access that account in Google. I've tired changing from "autho2" to "normal password" and still nothing. All that seems to be happening is lots of security alerts from that Google account. If this doesn't work out I will have to revert to the Windows 10 Mail program which is terrible! Please help!

Make sure your TB is up-to-date 68.5.

Open Tools/Options(Mac:Preferences)/Security/Passwords/Saved Passwords, delete all gmail passwords and oauth tokens, set the authentication on the incoming and outgoing servers to OAuth2, restart TB, and enter the new password when prompted by the OAuth browser window.

''MissNess [[#answer-1290319|said]]'' <blockquote> This happened to me yesterday. A password was changed on one account and now Thunderbird can't access that Google account and I get a "Authentication failure while connecting to server imap.gmail.com". I have uninstalled and reinstalled Thunderbird removed and re-added the account that isn't working and still nothing. The other account is working fine (and all settings seem to be the same). I have checked the Google account settings and made sure that Enable IMAP is checked. I have Thunderbird as a third party with permission to access that account in Google. I've tired changing from "autho2" to "normal password" and still nothing. All that seems to be happening is lots of security alerts from that Google account. If this doesn't work out I will have to revert to the Windows 10 Mail program which is terrible! Please help! </blockquote> Make sure your TB is up-to-date 68.5. Open Tools/Options(Mac:Preferences)/Security/Passwords/Saved Passwords, delete all gmail passwords and oauth tokens, set the authentication on the incoming and outgoing servers to OAuth2, restart TB, and enter the new password when prompted by the OAuth browser window.
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MissNess 0 løsninger 4 svar

Thanks I have checked and I have the 68.5 for 64 bit. I open tools/options and there is no "security/passwords/saved passwords" in TB. Am I looking in the right place?

Thanks I have checked and I have the 68.5 for 64 bit. I open tools/options and there is no "security/passwords/saved passwords" in TB. Am I looking in the right place?''

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sfhowes
  • Top 10 Contributor
1911 løsninger 9558 svar

From the 3-bar menu, Options/Options/Security/Passwords/Saved Passwords. The path is Tools/Options... from the Menu Bar (press Alt if it's hidden).

From the 3-bar menu, Options/Options/Security/Passwords/Saved Passwords. The path is Tools/Options... from the Menu Bar (press Alt if it's hidden).
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MissNess 0 løsninger 4 svar

Thanks for your suggestions. I have done all this now and am now getting the error for both accounts :( AHH! This is doing my head it!

Thanks for your suggestions. I have done all this now and am now getting the error for both accounts :( AHH! This is doing my head it!
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MissNess 0 løsninger 4 svar

UPDATE! I have fixed it! If anyone else is experiencing this problem this is what I did....

1 re deleated all passwords saved in TB as explained above by sfhowes. 2 removed all email accounts in TB. 3 uninstalled TB. 4 went into each Google account and removed TB as a trusted third party with access to account. Made sure enable IMAP was checked. 5 reinstalled TB. 6 added each new Gmail account in TB as directed, entering password, allowing TB to access my Google accounts (not changing any of the other settings).

And this worked! It all worked. I think the whole connection just needed to be started from scratch. Thanks so much to sfhowes for their help. I had no idea that TB kept a list of passwords saved in the program. :)

UPDATE! I have fixed it! If anyone else is experiencing this problem this is what I did.... 1 re deleated all passwords saved in TB as explained above by sfhowes. 2 removed all email accounts in TB. 3 uninstalled TB. 4 went into each Google account and removed TB as a trusted third party with access to account. Made sure enable IMAP was checked. 5 reinstalled TB. 6 added each new Gmail account in TB as directed, entering password, allowing TB to access my Google accounts (not changing any of the other settings). And this worked! It all worked. I think the whole connection just needed to be started from scratch. Thanks so much to sfhowes for their help. I had no idea that TB kept a list of passwords saved in the program. :)
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