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Unable to log into Thunderbird Gmail account; Authentication failure while connecting to server imap.google.com
Starting on June 1, when I tried to use Thunderbird, I have to log into my Gmail account. I enter my email address and password and the next screen states: "Sign in with … (читать ещё)
Starting on June 1, when I tried to use Thunderbird, I have to log into my Gmail account. I enter my email address and password and the next screen states: "Sign in with Google", which I do. The last screen in the process is "Mozilla Thunderbird Email wants to access your Google Account". I click on Allow and then the following message appears: "Authentication failure while connecting to server imap.google.com"
When I go back to Thunderbird and click on "Get Messages", I am put back into the Login loop, including 2- Step Verification..
I've used Troubleshoot Mode, I've cleared the startup cache, but neither has resolved the problem.
More Troubleshooting Information
Application Basics Name Thunderbird Version 91.10.0 Build ID 20220525135609 Distribution ID Update Folder C:\ProgramData\Mozilla\updates\D78BF5DD33499EC2 Update History Update Channel release User Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0 Thunderbird/91.10.0 OS Windows_NT 10.0 19044 Application Binary C:\Program Files\Mozilla Thunderbird\thunderbird.exe Profile Folder C:\0-TBird\Profiles\jsxynuvz.default (Local drive) Build Configuration about:buildconfig Memory Use about:memory Performance about:performance Registered Service Workers about:serviceworkers Third-party Modules about:third-party Launcher Process Enabled Multiprocess Windows 0/0 Fission Windows 0/0 Disabled by default Remote Processes 3 Enterprise Policies Inactive Google Location Service Key Missing Google Safebrowsing Key Missing Mozilla Location Service Key Missing Safe Mode false Profiles about:profiles Telemetry Data about:telemetry Mail and News Accounts ID Name Incoming server Outgoing servers Name Connection security Authentication method Identity Name Connection security Authentication method Default? account1 [user name]@hotmail.com (pop3) pop3.live.com:995 SSL/TLS Normal password Wes <[user name]@hotmail.com> smtp.live.com:587 STARTTLS Normal password true account2 Local Folders (none) Local Folders None Normal password account4 [user name]@gmail.com (imap) imap.gmail.com:993 SSL/TLS OAuth2 "[my name]" <[user name]@gmail.com> smtp.googlemail.com:465 SSL/TLS OAuth2 true
I can use account1 - [user name]@hotmail.com (download, read, delete, messages), but I no access to account4 - [user name]@gmail.com. I have no idea what account2 - Local Folders relates to.
On June 2 during a 2-1/2 hour unproductive session with a good computer technician I've been using for probably 10 years, Security Alerts were sent to account1 - [user name]@hotmail.com (as set up as a security step in Gmail): "2-Step Verification turned on", "App password created to sign in to your account", "App password used to sign in was removed", etc.
I have personally spent over 8 hours over the past 3 days exploring solutions suggested to other users with a similar problem but nothing has helped.
I have checked for stored passwords; there are none.
Please let me know if you need more information.
Thank you very much for you help! I will save whatever is left of my sanity!