Thunderbird Community Forum

My Thunderbird has suddenly stopped showing date and size against incoming emails - it also wasn't showing sender but suddenly changed despite me not changing any options. Date and size are clearly ticked in the drop down box. Basically, it is randomly deciding what to display even when I am not changing options!

My Thunderbird Inbox details included Date and Time for each incoming email but I have somehow stopped that - how do I reset it to display this information? Attached is a screen shot of the top of the display.

Running windows 11 Pro and in the last microsoft update my thunderbird email is not responding at all. It is trying to connect to imap.gmail.com.

How can i turn off auto account checking on startup so i can access my email settings to try and fix this?

I tried running it in safe mode and i get not responding there too! Can i access a profile folder and turn off auto email checking somehow?

Somewhere along the line, I lost all the entries in my Thunderbird address book. I tried to import from Outlook to repopulate it. This turned into a disaster.

When I get to the point where I can select the field, the destination they are mapped to make no sense whatsoever. For example, the Middle Name maps to the Last Name field. OK. Bad guess. But then all the drop down shows as options is Last Name. I cannot map it to middle name. The address book drop down only allows you to select what it is already set to.

Company Yomi (whatever that is) is mapped to Notes. At the end of the list, the source field Notes is shown and no destination mapping is available at all, so what happens if I select it.

I had Thunderbird on my Windows 10 computer. I bought a new Windows 11 computer and downloaded Thunderbird. When I try to set up my email account, I provide my full name (not my Thunderbird user name) and email address. The next screen has the message "Configuration found in Mozilla ISPDB ". I clicked on IMAP and hit continue. The next screen I type in my password for my Spectrum mail account. I have confirmed that the password works went I log onto the Spectrum website. The next screen has the Authentication error "Unable to log in at server. Probably wrong configuration, username or password.". I've also tried using my Thunderbird user name and Password instead of my full name and Spectrum password with the same results. I know my Thunderbird user name is correct but I can't be 100% sure that my Thunderbird password is correct.

I'm not sure if this matters but my email has the has the extension ----@socal.rr.com. This was assigned to me by my original email provider, which was Time Warner Cable. Spectrum bought Time Warner Cable a few years ago and I think Spectrum uses a different extension.

Folder one: Spam .... this is the new one, automatically installed through a thunderbird program . Mails by filter marked as spam now get sent to THIS Folder. ____________________________________________________________________________________ Folder two: Spam .... this was up to now the correct existing one. ('Spam gemeldet' means: Spam mails sent to the government anti-spam authority.) So: this folder nr. 2 should be eliminated, as the folder nr. 1 seams to be the normal working one.

Thank you very much for your help! Peter

Hallo Zusammen,

bei der Neueinrichtung auf einem neuen Rechner fehlt mir der Ordner für gesendete Mails.

Ich habe die Anwendung auch schon komplett deinstalliert und wieder aufgespielt. Hat sich leider nicht geändert.

Was kann ich noch machen?

Beste Grüße

When I use thunderbird to download messages from my sky email, I get a threat notice and " The file containing the threat was at c:\users\appdata\local\temp\newmsg" - I use mcafee. I do not get this threat notice when getting messages from my bt emails or my zen emails via thunderbird. I do not get this threat message when logging in directly to sky emails on the internet. I have deleted my sky email account in thunderbird and reinstalled the account but I still get the threat notice. Can you help .

Why does the Thunderbird search for an email with certain information no longer work? It used to work OK. Now it usually fails to find any messages with the selected data. eg search for all messages that have jv16 in either the subject or body text. I know there are several in my Thunderbird but they are no longer found by the find function (although they do exist as found by a manual search).

Thunderbird 148+ on Windows 11 repeatedly prompts for the password when synchronizing an Exchange account (professional) configured with the native Exchange support (no add-on installed).

The account only offers “NTLM” or “Normal password” authentication methods. OAuth2 is not available in the account settings.

During synchronization, Thunderbird asks for the password separately for many folders. However, clicking “Retry” usually works immediately without changing the password, and manually re-entering the same password also works.

The issue then reappears for the next folder, causing continuous authentication prompts (I have many folders...).

Actions already tested:

• deleting saved passwords and tokens,
• deleting/renaming key4.db and logins.json,
• restarting Thunderbird,
• recreating the account.

The problem persists.

This looks like an authentication/session handling issue rather than an actual invalid password.

Hello, I need help with getting Thunderbird email installed on my MacBook Air 2017 macOS Monterey. I have successfully installed the app on my desktop but, each time I try to finish the set up, I get an "Authentication Error" with "Unable to log into the server" on the Welcome to Thunderbird initial Pop Up screen. I think it might be with the Yahoo server but, I do not know. Could someone help walk me through the set up? Please let me know as soon as you have a few minutes or, direct me to the appropriate support department. Thank You, TL Shaffer

[I was sure I submitted this but I can't find it. Sorry if it's a dupe.} Thunderbird v. 151.0 (64-bit) Windows 10

When I reply to or forward a message, I get raw code like:

> ad that says: Mary gets us <https://click.ngpvan.com/

> k/132163625/623609951/778722144?refcode=LOC_EM_FR_2026.05.27_peltola-

> split_B1_F1_S1_C1_60DO90DC120DD_N-

> T0&nvep=ew0KICAiVGVuYW50VXJpIjogIm5ncHZhbjovL3Zhbi9OR1AvTkdQMTkvMS83MjcyMiIsDQogICJEaXN0cmlidXRpb25VbmlxdWVJZCI6ICJlYTIyODEwZS1kYzU5LWYxMTEtOGZjYi0wMDBkM2ExODkwNWMiLA0KICAiRW1haWxBZGRyZXNzIjogImhvb2V5Z29vQGdtYWlsLmNvbSINCn0%3D&hmac=FH6VuhfY9AcHmAdMj2RHECp0IpRhxQHb41JBnp34fM0=>

>

How can I get just the normal readable text quoted (Gmail-style)?

TIA

With previous computer (Winidows 11) I've been able to send an email from WITHIN Word, but now I get error message "Word couldn't send mail because of MAPI failure." Any idea how I can fix this? Regards, David, running TBird version 151.0.1 (64-bit)

How do I add my Comcast email account to Thunderbird now that it has switched to Yahoo? When I try to add it all I get are the Comcast mail servers in the setup program to add an email. When I try to edit it and change it to the Yahoo mail servers it does not work. I have used Thunderbird for many years and Firefox for a browser. When I started on the internet I Used Netscape. Firefox and Thunderbird were started by Netscape programmers if I remember right. I love both Thunderbird and Firefox and don't want to change but the way it is now I cannot use Thunderbird for email. I have tried both Pop3 and Imap setups. Neither will either allow me to set up my email in Thunderbird to get email from Yahoo. I do not like the Yahoo Website for email.

I can not get my google workspace account to authorize in Thunderbird. Using IMAP setting. Thunderbird automatically finds the correct server settings, but when I hit "continue", it gives an authentication error.

I have spent extensive time with the google workspace admin console help. This is the final result: "Thank you for trying all the steps so far. Since Thunderbird has already been added under App Access Control in the Admin console, IMAP is enabled, and cookies/cache have been cleared, but the authentication error still persists, this points to a possible issue with the application’s client ID used by Thunderbird for OAuth. In this case, you will need to contact the Thunderbird support team to verify the correct client ID for their OAuth implementation. Once you have the correct client ID, we can then configure it properly in the Google Admin console so the authentication works successfully. We’ve confirmed that all Google Workspace settings on our side are correct, so the next step must be coordinated with Thunderbird’s team."

Therefore, here I am.