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I've been using Thunderbird for year on my desktop. Just got a new one and I can't get Thunderbird to start. I have NO IDEA what the "set-up" wants from me. The most recent error is "Authentication FAiled. Please check the username and password."

I JUST reset the password. What does Tbird think my user name is if it's not my name???? And why doesn't it give me an option to find out what it has stored somewhere for me??

Hi, Thunderbird was working fine in the morning, but later in the day, it suddenly stopped downloading messages from my Hotmail inbox and asked for my password again. When I entered my password, I got the following error message:

"Sending of password for user mazyarm@hotmail.com did not succeed. Mail server pop-mail.outlook.com responded: Authentication failure: unknown user name or bad password."

Thunderbird won't sign in to check emails. I also get the message:

"Login to server pop-mail.outlook.com with username mazyarm@hotmail.com failed."

And those are the messages I now get whenever I click on the Get Messages button. However, I am still able to access my Hotmail account directly using the Firefox web browser, so I know that my username and password are not the problem.

Does anyone know what's going on? How do I solve this problem? Thank you, Maz

I had a free email account with my previous ISP (big mistake!). I had to create a new email account elsewhere when I switched ISPs. All was good for almost two years but I just bought a new PC and have ported all my email accounts over to the new Thunderbird. It appears that everything is set up correctly but I have one annoying problem. The old email account is kept only to be able to look at old email (pre-new email account) from time to time. It is not even possible to sign into the old account but Thunderbird keeps asking for the password. Is there anyway I can stop it from doing this?

Thanks!

Microsoft are again complaining about normal password login.

Today I have updated to Version 128.2.0esr (64-bit)

I have set outgoing server to StartTLS and OAuth2 and it is fine.

When i set OAuth2 in server settings and try to retrieve mail i get "Host contacted, sending login............" and it sticks at that point with no error messages from Thunderbird or Microsoft.

If i revert to "Normal Password" it is fine.

When microsoft first complained i turned on two step authorisation and the used their option (cannot remember what it was called now) to create a login password/key for thunderbird so that it would still work for "Normal Password" setting

How do we get round Microsoft's obstacles???>

Dave

Hi,

I am trying to setup Thunderbird for the first time on my mac (OS Sequoia 15.6.1). No problem with E-mail clients except the hotmail client. I am always stuck at this error message that authentication failed after I type in my password. I added manually an outgoing server for microsoft as described in some older post but I am unable to find to setup IMAP manually in the Thunderbird account settings. I believe I will have only the option to do so after I pass the authentication error. I also added some exception as recommended in some older forum post but it also didn't help.

Any suggestion what could solve the problem?

I successfully changed the authentication method for my SMTP server to OAuth.

But when I try to set my IMAP server to OAuth, I get this error message:

The IMAP server imap-mail.outlook.com does not support the selected authentication method. Image attached. Note: I couldn't capture the whole image, as Firefox insisted on displaying the error message at the bottom of the screen where I could only see half of it. But I confirmed OAuth was the issue by changing it back & forth several times.

I thought we had to change both SMTP & IMAP. Did I misunderstand something?

I Menu app icon > Help > More Troubleshooting Information

   Under 'Application Basics' - Profile Folder - click on 'Open Folder' 

This opens a new window showing the contents of your current in use profile name folder.

   Exit Thunderbird now - this is important. 

Look for the following files and delete them.

   cert8.db - obselete file
   cert9.db - currently used file
   key3.db - obselete file
   key4.db - current used file
   logins.json - current used file
   pkcs11.txt (some people report this file missing)
   secmod.db - obselete file
   session.json
   xulstore.json 

See next comment before you start Thunderbird as you need to empty cache files.

Start Thunderbird

Add yahoo and make sure all the settings are correct. Make sure Authentication Method is Oauth and user name is full yahoo email address.

Report on results.

Modified 15 zuwɛn 2022 23:27:52 -0700 by Toad-Hall Toad-Hall Toad-Hall

   Top 10 Contributor

15/6/2022 23:26 Chosen Solution

ADDITIONAL Whilst Thunderbird is closed - after you have deleted the files mentioned previously.

access : C:/Users/ User Account/Appdata/Local/Thunderbird/Profiles/ Please note this is the Appdata 'Local' location which the computer uses as a cache. Be sure you are in the 'Local' and not the 'Roaming' Delete the contents of the 'Profiles' folder.

then start Thunderbird. keep having to reset my secure key password and tried this in "Roaming" instead of "Local" Help!

I have three email accounts in Thunderbird on my Windows 10 PC which are all with Yahoo. The accounts are ex Sky accounts but are now run by Yahoo.

I am replacing that PC with a Windows 11 laptop so I need to migrate.

I exported the Thunderbird data using the export tool and when I imported the file into the new Thunderbird installation on the laptop I got three pop up messages from yahoo asking me to agree to allow access but they all related to the first of the accounts. I can send and receive from the first account but can neither send or receive from the other two accounts.

I have tried deleting the last two accounts and adding them manually but the yahoo pop up again refers to the first account.

Any suggestions?

I changed my Google account password just today. I have used Thunderbird on PC for Gmail without issues for years. I went into Thunderbird Saved Passwords and changed the appropriate line to the new Gmail password. I restarted Thunderbird and tried to send a test e-mail. I kept getting "Login to account Google Mail failed" with a box of 3 options, Retry, Enter New Password or Cancel. When I click on either Retry or Enter New Password, it doesn't give me a chance to enter a password and goes immediately into the same "Login to account Google Mail failed" box with the 3 options. I searched and read the support and one of the option is to remove the line from Saved Passwords and re-create it. I did that and tried to send another test e-mail. Now I'm still not getting a chance to enter a new password. I keep getting the box with the 3 options which doesn't allow me to enter a new password. There isn't a new entry in the Saved Passwords.

Strange thing is Thunderbird is receiving new e-mails fine. I'm just not able to send.

Thanks.

For years I used Thunderbird to process my Earthlink emails. Thunderbird suddenly stopped accepting my Earthlink password, which I repeatedly tried and reset. Is something wrong with my Thunderbird settings? Mac IOS 13.7.1

In trying to sync my bookmarks from my old PC to my new one (Win 11), every. single. time I log in to Firefox, and enter the emailed code I receive, to which I get an on-screen conformation that I've logged in AND an emailed confirmation that I've logged in, I am instantly logged back out- the little yellow triangle shows back up on my account icon. I have tried everything i can think of: I've made sure I'm not in private browsing mode, cookies are enabled, I've forced a log out of all devices, I've closed and re-opened Firefox, I've restated my computer, I've even uninstalled and re-installed Firefox in case there was some odd glitch....all for naught. Nothing I do helps. THEN to make matters worse I get the 15 min blockout to add to my frustration, because I've tried this too many times. All I want to do I sync my bookmakers to my new device....

When I access Saved Logins (>Tools>Saved Passwords>Show Passwords) the display shows a box "Windows Security" and asks for a Password.

I have never seen this box before when accessing Saved Logins (Show Passwords).

I have not made any changes on my computer that should cause this proglem.

Is there any way to correct this so I can Show Passwords ?

Thanks

Started 3 days ago! No problems for years. Now changed password 3 times. Can login with password on comcast.net but not with Thunderbird. Check the setting and new password was saved.

I have Thunderbird software version 128.2.3esr (64-bit). I have 5 email address accounts 1 with google.com and 4 with outlook.com. All work perfect except 1 of the outlook.com accounts. All the outlook.com accounts are configured the same (settings, account settings etc). The error message is always "pop3.server3.2: Got an error name=pop3PasswordFailed, the server said: Logon failure: unknown user name or bad password. 2 Pop3Client.sys.mjs:1576:18".I did not change passwords. In fact, I can go on internet to outlook.com email logon web page and access the email account perfectly, even though it fails everytime with Thunderbird. (it still is same password, never changed). Plese help, I have spent some time trying to solve on my own.

I am trying to read my gmail email using Thunderbird. However, once I fill in the server configuration, I get a 2fa pop-up window with an error message. See attached.

What can I do to get this to work? Or is Thunderbird unable to access gmail?

Thanks in advance, Mike.

Whenever I go onto a Microsoft website, I have a terrible (consistently mildly inconvenient) time signing in. For whatever reason, it always tries to sign in with my school account instead of my personal account, and I have to manually change to the account I actually want to use. I don't know why it keeps defaulting like this but it's very annoying, what can I do about it?

my wife's computer uses Spectrum webmail and Thunderbird to access her email. She uses Thunderbird all the time. Last night Spectrum did something so her password was deleted. We finally got webmail up and working with a new password, however, when she tries to access Thunderbird a message comes up and says to log into mail.brighthouse.com and put in the password. We tried this several times and the same message comes up without letting us use Thunderbird. Sorry we are seniors and this is driving us crazy,as my wife loves TBird.

Thanks Richard Buzzard buzzard2841@gmail.com

Hello, I never added my gmail account in Thunderbird Nevertheless a full screen pop up window shows up constantly and asks me for my gmail password  !!!! What is this? !What a a nightmare! I 've spent a lot of time searching solutions with chatatgpt, didn t find out I'M NOW THINKING ABOUT STOPPIing USING FIREFOX ! GRRRRR ! does someone has a solution please ? I'm really fed up with this.

Yesterday I changed my AOL password online. Now Thunderbird email no longer works. I get a popup labelled "enter credentials for user on pop.aol.com". Within the popup window it says "Edge: Too Many Requests"

Settings have not changed and worked prior to password change. I believe if the popup window was working correctly I could enter my new password and all would be fine.

pop.aol.com 995 SSL/TLS OAuth2

smtp.aol.com 465 SSL/TLS OAuth2

Thanks,

Ed