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I changed my password in my Juno account and have logged in via a browser with the new password several time. But Thunderbird attempts to connect continue to fail. I deleted the old password in Thunderbird in the Privacy & Security section thinking it would update when the new password works - unfortunately, it never works. I reviewed all the Juno settings in Thunderbird and they are all consistent with the Juno Support recommendations. Now what?

Hello,

I am experiencing an authentication problem with an iCloud Mail account in Thunderbird 153.0.3 (64-bit) on Windows.

The iCloud Mail account itself works normally. I can access my mailbox through Apple's web interface, and I was also able to add the same account to Microsoft Outlook and successfully send an email from it.

The problem occurs specifically in Thunderbird.

When I initially add the iCloud account to Thunderbird, the account connects successfully and my mail is downloaded. However, after completely closing Thunderbird and launching it again, Thunderbird asks me to enter the password again. When I enter my current Apple app-specific password, authentication fails.

I have already generated several new app-specific passwords and tested them. I also tested both the username without the domain and the full iCloud email address as the username. The result is the same.

Current IMAP settings:

Server: imap.mail.me.com Port: 993 Connection security: SSL/TLS Authentication method: Normal password

Thunderbird does not offer OAuth2 as an authentication method for this account. The available methods are Normal password, Encrypted password, Kerberos/GSSAPI, NTLM and TLS certificate.

The Thunderbird log shows that the connection to the Apple IMAP server is established successfully. The server reports the following authentication capabilities:

AUTH=ATOKEN AUTH=PLAIN AUTH=ATOKEN2 AUTH=XOAUTH2

Thunderbird then attempts PLAIN authentication, but the server responds:

NO [AUTHENTICATIONFAILED] Authentication Failed

Thunderbird subsequently tries the old-style authentication method, which also fails with the same error.

I have also tried changing the IMAP port from 993/SSL-TLS to 143/STARTTLS, but the connection to imap.mail.me.com:143 fails as well.

The most unusual part is that the account works immediately after being added to Thunderbird, but stops authenticating after Thunderbird is restarted.

Could this be related to Thunderbird's handling of iCloud app-specific passwords, the password manager, the Thunderbird profile, or a compatibility issue with the current Thunderbird version?

I have attached the relevant Thunderbird IMAP log.

Thank you.

This notice fairly regularly appears in the last couple of weeks - I do not trust the AI solution as everything APPEARS to work normally on Thunderbird - were it not for that notice I'd think all was normal! Is rectification of something needed? If so simple instructions needed and advice as to the cause - I'm no techie and wonder if I meddle I'll cause problems I currently don't seem to be experiencing.

メールソフトをアウトルックからサンダーバードへ移行したく、サンダーバードのアプリはダウンロードしましたが、 サインインに失敗なのか？認証できなく困っています。受信サーバーはIMAPですが、サンダーバード ではPOP3とでてきたので、手動でIMAPにかえてもみましたが、とにかく認証しないのです。 どうしたらよいか教えていただきたいです。

I saw a msg that my firefox password was charged. Don't know if accidentally done while on Mozilla or changing default back to firefox after brief set on Chrome due to Google saying needed

Since the latest update a Yahoo Mail sign-in keeps popping up...sometimes two different versions. It's driving me nuts. Should I uninstall/reinstall Thunderbird. It's so frequent for no apparent reason that I may have to give up Thunderbird and many, many years of use...and donations. thx, deanna

I have tried reinstalling the account automatically and manually no matter which way I do it it just comes up awaiting authorization then just hangs there? I have doubled checked all the settings, imap.mail.yahoo.com 993 OAuth. smtp.mail.yahoo.com OAuth 465 SSL/TLS I have done everything that I can find so am I missing something? Chris

Thunderbird for NixOS nixos - 1.0

I could not figure out how to provide a log at all. If there is a way, please let me know and I will provide one.

Whenever I try to log in with gmail, I get stuck on this dead end:

1. Set up gmail server config (because my email ends in @vcu.edu, however I have tested this with a proper @gmail.com email and observed the exact same behavior)
2. Get propted to login with google, which works
3. Get to the "Mozilla Thunderbird Email wants access to your Google Account" page, select all and hit continue
4. get redirected to `http://localhost:35141/?state=<string of chars>&iss=https://accounts.google.com&code=<another string of chars>&scope=https://mail.google.com/%20https://www.googleapis.com/auth/carddav%20https://www.googleapis.com/auth/calendar` This page does not load, I just get a "unable to connect" error
5. get a notification stating "Authentication failure while connecting to server `imap.gmail.com`
6. get ANOTHER prompt to log in with google, exact same thing happens

please note that the port is random and is different every single time. also, google does not register that I have allowed Thunderbird access to my account, and it prompts me again every single time. Open ports: ``` sudo ss -lntup [sudo] password for jane: Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port Process udp UNCONN 0 0 192.168.122.1:53 0.0.0.0:* users:(("dnsmasq",pid=2224,fd=5)) udp UNCONN 0 0 0.0.0.0%virbr0:67 0.0.0.0:* users:(("dnsmasq",pid=2224,fd=3)) udp UNCONN 0 0 0.0.0.0:33289 0.0.0.0:* users:(("librewolf",pid=185950,fd=164)) udp UNCONN 0 0 0.0.0.0:35410 0.0.0.0:* users:(("librewolf",pid=185950,fd=161)) udp UNCONN 0 0 0.0.0.0:52393 0.0.0.0:* users:(("librewolf",pid=185950,fd=218)) udp UNCONN 0 0 0.0.0.0:21027 0.0.0.0:* users:(("syncthing",pid=1850,fd=19)) udp UNCONN 0 0 0.0.0.0:54112 0.0.0.0:* users:(("syncthing",pid=1850,fd=33)) udp UNCONN 0 0 0.0.0.0:5353 0.0.0.0:* users:(("avahi-daemon",pid=1148,fd=11)) udp UNCONN 0 0 0.0.0.0:41088 0.0.0.0:* users:(("librewolf",pid=185950,fd=169)) udp UNCONN 0 0 0.0.0.0:59247 0.0.0.0:* users:(("librewolf",pid=185950,fd=132)) udp UNCONN 0 0 [::]:44815 [::]:* users:(("syncthing",pid=1850,fd=29)) udp UNCONN 0 0 *:1716 *:* users:((".kdeconnectd-wr",pid=185637,fd=15)) udp UNCONN 0 0 [::]:21027 [::]:* users:(("syncthing",pid=1850,fd=34)) udp UNCONN 0 0 [::]:5353 [::]:* users:(("avahi-daemon",pid=1148,fd=12)) udp UNCONN 0 0 *:22000 *:* users:(("syncthing",pid=1850,fd=15)) tcp LISTEN 0 4096 127.0.0.1:8384 0.0.0.0:* users:(("syncthing",pid=1850,fd=17)) tcp LISTEN 0 32 192.168.122.1:53 0.0.0.0:* users:(("dnsmasq",pid=2224,fd=6)) tcp LISTEN 0 4096 127.0.0.1:8080 0.0.0.0:* users:(("systemd",pid=1,fd=847)) tcp LISTEN 0 4096 127.0.0.1:631 0.0.0.0:* users:(("cupsd",pid=1814,fd=4),("systemd",pid=1,fd=997)) tcp LISTEN 0 50 *:1716 *:* users:((".kdeconnectd-wr",pid=185637,fd=16)) tcp LISTEN 0 4096 [::1]:631 [::]:* users:(("cupsd",pid=1814,fd=8)) tcp LISTEN 0 4096 *:22000 *:* users:(("syncthing",pid=1850,fd=21)) ```

I believe this is all the information i can provide. Firewall was disabled for testing. I cannot log into either my school or personal gmail accounts.

For some time now two Thunderbird Icons have displayed in my Windows task bar. One opens the program I have used for years as normal but the other opens a sign-in screen requiring a user name and password. Today only one version appears and that is the sign in screen. After a lot of steps -including a request for Thunderbird to access my Google account I finally got access to the two e-mail accounts I keep on "my" Thunderbird but the display is far harder to read than the earlier one. After I exited the program I found to re-open it I got the same log-on screen??? How can I access the Mozilla program I am familiar with?

when attempting to view my passwords, (by selecting in Thunderbird, edit, settings, passwords-saved passwords, show passwords), I can not see them because the window, 'Saved Logins' can not be resized. Scrolling left or right does not work and clicking and dragging the corners or edges does not work. All I can see is about the first 8 characters which is not the entire password. Also I used to be able to change the passwords in this window but that seems no longer supported.

I have installed Thunderbird to work with my spectrum email account. I had successfully installed it and was even able to recieve emails, but could not sent them. I uninstalled it, reinstalled it and now I can't receive emaill either. The settings for the servers and my username (fulll email address) all look correct per spectrum's website. Whenever I enter my password into Thunderbird I get:

"Login to server mobile.charter.net with username stynee@ca.rr.com failed."

Next steps?

I have a ton of email accounts in Thunderbird on Mac. I recently added a new account, and it constantly pops up the Authentication Required - Mozilla Thunderbird window. Below that it says: https://OURURL is requesting your username and password. The username and password are both stored in the passwords, and I don't get the password needed message, and can email and receive in between the annoying pop up.

I have this same issue on a new computer we just set up with other email addresses too, so I think it has to do with some automatic setting when adding a new account that happened in the most recent release. I do not get the authentication message for any of my older accounts.

I tried all the things I could find online - deleted and re-added account, deleted the password files in the profile folder, reset the startup cache, etc. I searched the support base, and can't find anything

We host our own email through cPanel. All the server settings are correct, or we wouldn't be able to use the email address at all.

Hello, When I open Thunderbird, I get redirect on the browser to sign in into my Yahoo account. I enter my logins and a pop-up window opens and says that there is no application able to open whatever it wants to open. I already checked the forums concerning the Oauth2 login security for Yahoo, and tried several of the advices, but I always get stuck at the same stage. My operating system is Ubuntu 24.04.4 LTS Thunderbird version 153.0 Am I missing an application? Or is something wrong with my settings? Thanks for any support.

just got Thunderbird, i added my outlook email then got to the "connect your email setting" then i clicked continue cause i wanted to use imap and got a "Authentication error". I got Thunderbird on a different device and used my gmail on that device and it worked fine. Only get the error when i try to use my outlook email and i don't know what to do.