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Bonjour, Je reçois le message suivant à l'envoi d'un mail, et cela pour toutes mes boites:

L’envoi du message a échoué. Une erreur est survenue lors de l’envoi de l’e-mail. Le serveur e-mail a répondu : 6C1HtsAZQgIcw Authentification requise. Authentication Required. OFR203_200 [200]. Veuillez vérifier que votre adresse e-mail dans les paramètres du compte est correcte et essayer à nouveau.

J'ai vérifié les adresses , elles sont correctes. Que faire? Merci Cordialement.

Updated Thunderbird to version 141.0 and now having issues with new email messages. When new messages are downloaded the subject line is blank, correspondents line is blank and the actual email message is being shown as the HTML layout. This also happens if a plain text email message is received. Any help is appreciated.

Hi, my IMAP email account is getting full, so to make space, I moved most of my mail, including both Inbox and Sent, to the Local Folder, however there's no size difference showing, according to my email provider's quota meter. My IMAP mail is still just as full. Perhaps I'm not understanding what the Local Folder is. I thought this meant I could have mail offline but still accessible. Could anyone please help me understand this, and also please tell me if there's a way to keep my mail accessible and readable from within Thunderbird while keeping it stored offline so that it's removed from my IMAP account. Thank you!

In Thunderbird why do I (still) get repeated tabs for the same (INBOX) folder?

Many previous answers go back to 2022 with answers that do not work now (like find an add-on in Tools for deleting duplicates).

I have inbox so that the messages are below the subject, correspondent and date lines. This is OK but I need to show more of the headings. Can anyone show me how to reduce the height of the subject line please. Many thanks..........Joe

Hi I have an Imap account, where i mistakenly moved a folder called Bulk to the Deleted folder (see attached). I have tried searching this forum and tried various options but nothing seems to work.

note when i right click on the Bulk folder there is no "Move To" option

I deleted the folderTree.json and the folderCache.json files as these where large and had lots of references to previous folders i had deleted.

Any ideas what my issue may be, thanks in advance for your help

I had many email folders set up to save incoming emails of importance and they all got emptied at once during the transition from one internet server to another. I haven't been able to find them anywhere since. What happened and how do I prevent a repeat?

when i print emails the email content & subject/to-from/date header info is fine. But TBird also prints the subject at the top of page in smaller print and wrong font.

I like the easy to find subject, but how can i change the font & size to something i, not the software, prefer? do i need to do this in FFox?

Using win10 home, TBird 115.12.2 (64-bit). [not using latest version, because terrified i'll have to spend another 4-6 hours configuring like i had to for 115*]

thx for any illumination. ***please keep in mind i am NOT an IT professional & actually an IT klutz***

One of my TB accounts has two archive folders, one named Archive and one named Archives. The Archive folder has nothing in it while the Archives folder has several years of messages in it. How can I delete the non-functional Archive folder?

Background I wanted to give Thunderbird a shot because I really, really got tired of Outlook and their shenanigans. About 2 months ago, I tried it a first time and had an issue that prevented me from sending emails from my Hotmail email accounts. I gave up after a week of troubleshooting.

Outlook has come up with more bugs and shenanigans, so I tried again, convinced that there had to be a solution. And I found one. If anyone is interested, I was getting the error "Login to server outlook.office365.com with username <...> failed", and the way I fixed it was by replacing "hotmail.com" with "outlook.com" in the server settings. However, not all is fixed yet.

Current problem I noticed that the messages in my Outlook mail (other than the inbox) are not syncing properly. When I start TB, it appears to sync folders because I have seen new emails in subfolders already. However, if new emails come in while TB is open, it only syncs them if they are in my inbox.

I have looked around already and found that when I right-click that email account and I choose "Subscribe...", it presents me with an empty list and I can't see or enable/disable any folder subscriptions (refresh does nothing). This is strange because of 2 reasons: 1. All my subfolders are there, and they seem to sync when I start up TB. But even if I immediately open the subscribe window, the list is empty. 2. I have a total of 4 email accounts configured, 2 Outlook and 2 Gmail. All except for 1 Outlook account show me the list of folders in the subscribe window, so that made me think it was something in my Outlook account settings. However, nothing I can find there seems to be helpful.

Does anyone have an idea on how to fix this? I'd rather not close and re-open my TB app each time I want to check for new messages. I really want to give TB an honest chance but it's not making it easy for me to like it right now.

Once in a while I would like to email a company with a question or comment and I go to their website, click on an email link and thunderbird email pops up an it is useless. I use Gmail and literally half of the business world is out of reach do to the use of thunderbird. I do not want to use thunderbird I have to many "apps" to deal with already. Still it would be nice to be able to contact people at their chosen email.

What is the fix?

I've installed Thunderbird on my Pixel 9 Pro. I used my Linux Fedora Thunderbird to generate a QR code to get my Android Thunderbird established. Android Thunderbird is working ok but my contacts from the Linux Thunderbird did not come over and writing emails from there is difficult without my contacts. How do I port over the Linux Fedora Thunderbird contacts to my Android Thunderbird?

Hello

Overnight Thunderbird has developed a major problem. The count for the number of mails in a folder is correct, as best I can tell, but when I open the folder it is either empty or has fewer mails than the count. Based on several tests, repairing sometimes adds more mails, sometimes not, but never the entire folder.

I repaired the inbox and it is now showing several mails that I deleted in the last few days (by emptying the delete folder having previously deleted them). Curiously, they’re all the same type, routine mailings about road works.

I may have backup in that I copy the entire Thunderbird folder to an external drive every morning, including today, and to Google Drive every Wednesday.

Please can you help.

Thank you

I use Thunderbird on a Mac. A couple weeks ago, it stopped working properly. It will download and display messages, but I can't forward, reply or send a new message. I thought I would uninstall and reinstall, but first want to export the address book. I can't do that either. Any suggestions on what happened and how to fix it?

Aiming to reduce memory used by my email. I have both Sent and Sent Mail folders. My preference would be to eliminate the duplication that takes place with the two. I understand that I can not unsubscribe from Sent Mail. Could Sent content be reduced to the items that are NOT in Sent Mail? Alternatives? My Sent folder contains more older files which I would like to retain but do not want to "try" something that MIGHT eliminate them. I am on a Mac23 with Latest Sonoma. Thunderbird on Gmail.

Greetngs to all,

                         I'm using Thunderbird Version 128.2.0esr with Windows 11.

I have clicked on View/Folder/Unified Folders but none og my IMAP accounts are listed.

Can anyone please advuise how to resolve this issue?

Thanks,

             Scott

Bonjour je n'arrive pas à creer un compte live.fr j'ai le message suivant

Could not get OAuth2 details For hostname=smtp=mail.outlouk.com

Comment faire Merci pour votre aide

Hello, I am unable to create a live.fr account. I get the following message:

Could not get OAuth2 details For hostname=smtp=mail.outlook.com

What should I do? Thank you for your help

I just recently switched to Thunderbird and Libre Office to get rid of MS365. I am happy so far, if there wasn't one particular issue which I do not find a solution for:

I know how to sort messages with the newest on top, I know how to toggle the threaded view on and off. But I would like to use the threaded view and find it impossible to adjust a descending order within a thread. So I end up with the newest thread on top, but the thread headline shows the oldest message and if I unfold the thread it's in ascending order.

This is a major issue for me. To avoid overlooking incoming mails, I need to switch of the threaded view. Websearch didn't provide me a solution.

Hi,

I need help on topic "Outlook, PST, EML and local folders".

I have .. - Win 10, 64 bit - Outlook 2010 - current thunderbird, first time installed 10 days ago (newbie!) - a huge, locally stored PST file with a lot of folders, like "in_2014 / In_2015 / .. / Out_2014 / Out_2015"

I want .. - to have access to the mails in the PST with Thunderbird.

I did .. - read some information and found that there is no direct access - install ImportExportTools NG - tried to import "Via Outlook", but failed: "No profile found". I think Outlook 2010 is too old - install "Outlook Viewer" from CoolUtils. Opened the PST, exported a lot of EML-files, one for every single mail. - defined a "Local folder", called "in_2014" - copied the EMLs to this folder. They appear in the folder-tree of Thunderbird, but not as single "mails". I have to open (doubleclick) every EML to see the mail. - tried to "Import" the data (one by one / many together / from folder) to the local folder, but got a long error message with a lot a strange error-codes - tried to export data from PST to one single EML with many mails in it. Failed, the software does not offer this feature. - tried to "Import" the EML to a folder of a mail account. This was successful, but only the first step. - tried to move / copy the currently imported mails from mail-account to my local folder: failed again without reaction and without message.

What can I do now? How to get mails from a PST to a locally stored, Thunderbird readable structure?

Thanks in advance for help.