Thunderbird Community Forum

I have Version 128.11.1esr (64-bit) which is up to date.

The software has always been a little slow, but now it takes ages to download emails.

I don't save lots of emails, just a few folders, can anyone advise what the problem could be?

Thank you

Im running Thunderbird and can no longer log into my Outlook.com email. I have the OAuth2 server protocol enabled and its been working fine for ages, but over the last week or so has increasingly failed to login. It finds the server but hangs on login, finally after a minute or so returning "Authentication failure while connecting to server outlook.office365.com". I have not made any changes to the settings. Logging into Outlook via my web browser works fine. And here's the weird thing- enabling my VPN to change my IP to another nearby OR disconnecting from my wifi and instead hot-spotting from my 4G mobile phone, which also changes the IP- the login works fine again. Seems Microsoft have for some reason blocked my Thunderbird login at my home IP from their server end- a Real pain in the ass. I cannot find any info what to do online- how to reconfigure Thunderbird or contact Microsoft. Help!

Ich kann keine Mails löschen seit dem letzten Update. Versuchte den Papierkorb löschen. Es heißt: Es steht nicht genügend Speicherplatz zur Verfügung, um neue Nachrichten herunterzuladen. Löschen Sie alte E-Mails, leeren Sie den Papierkorb sowie komprimieren Sie Ordner und versuchen Sie es anschließend erneut.

Thunderbird 138/139, Windows 11 Pro 23H2. While composing a message, after a few lines the app freezes. Both the compose window and the main TB window freeze. Only opening the Windows Task manager allows me to close them. This did not happen with earlier versions.

If I save the message every few seconds while composing I can get most of the message back and continue after restarting TB. This behavior is the same in both the normal and troubleshooting TB modes. I can't even find a crash log to send to Mozilla.

Where shall I look next?

Thank you!

Witam serdecznie, czy ktoś wie w czym może być problem. Nagle program pocztowy przestał się włączać. nie wiem co robić już odinstalowałem pobrałem instalke na nowo zainstalowałem, i dalej to samo nie uruchamia się. Nic nie zmieniałem w ustawieniach, Proszę o pomoc

I have been runnign Thunderbird for a number of years. Several days ago when I started the app it said it was compacting the Gmail ALL Messages folder. It would never finish. So I downloaded the 139 version of Thunderbird, and installed it. When I try and start it I get a message at the bottom that says tomdyer72@gmail.com: looking up imap.gmail.com. It never comes off of that. After a few minutes, or if I click anywhere else in Thunderbird, I get the "Home - Mozilla Thunderbird (Not responding) at the top of the screen, and it will time out with the cnacle, or continue waiting message.

I have tried uninstalling all versions, and re-downloading the 139, and it still does the same thing. How can I recover this without losing all of my stored emails>

Within the last couple of days, while using Thunderbird, my list of unread emails disappears and I get a box that pops up that says: "The folder 'inbox on johnking2@comcast.net' could not be compacted because writing to folder failed. Verify that you have enough disc space, and that you have write privileges to the file system, then try again." If I click OK, my list of emails returns for a short while. I have no idea what to do, as nothing has changed, that I am aware of. I have a SD hard drive with about 17% space available. This is on a Dell laptop with i7 processor. Please help!

I get this error when I start up Thunderbird on my Desktop PC but not on my Laptop.

Mozilla Thunderbird ESR

Thunderbird The current operation on 'INBOX' did not succeed. The mail server for account sotackd@gmail.com responded: [NONEXISTENT] Unknown

However once this is cleared my Gmail and Thunderbird work perfectly.

Please see attached info.

For the last 2.5 months, the quick filter function has been painfully slow, taking up to a few minutes to deliver all of the results. We were on v128, but read that this was a known issue, to be fixed in release 131(?). We just upgraded to 139.0.2 and the issue is still present. We have ~12K messages and we're running Win64 on a Surface Pro 10.

Should we downgrade? If so, which version?

Thanks

Hi every one, hope someone can help me.

I have a special mail account: contact@c-serp.fr

The incoming server is managed by my Synology NAS server (MailPlus server), the identifiers are Incoming server : - protocol: imap - hostname: c-serp.fr - Port: 993 - Connection security: SSL - authentication method: normal password - username: contact@c-serp.fr - Pwd: -------------------

Outgoing server : - protocol: smtp - host name: smtp-relay.brevo.com - Port: 587 - Connection security: STARTSSL - authentication method: normal password - username: XXXXXXXXXXXXXXXX@smtp-brevo.com - Pwd: --------------------

All these settings work perfectly on outlook 2021. But on Thunderbird, nothing works.

Why is this? Any suggestions are welcome

Ucan.

Translated with DeepL.com (free version)I have an email account

Sort of continuing from https://support.mozilla.org/en-US/questions/1423702

Now trying 139.0.2 on a old laptop the subfolders are not mixed in the root anymore, but when opening TB, the subfolders are only partially listed. The listing changes every time.

TB then creates/downloads the missing ones/the subfolder structure but then leaves them all displayed as open/uncollapsed, which is a massive folder tree to navigate down. Takes ages and is a total pita.

We could even live with being able to collapse all the folders in one action, but there is no command for that.

I read elsewhere it may be a problem with OAuth so changed to app password, no difference.

Maybe it's the very large quantity of subfolders...

I note that the profile folder is the same size when TB is opened or closed....indicates that TB has the folders downloaded but needs to sync to display them?? No idea really.

But, we've been avoiding updating for a year and a half, need a solution or another client.

Thanks for any help.

I just installed Thunderbird 139.0.2 on Mac OS Ventura 13.7.6 and set up my Exchange account. When I get the messages I do get a list of the messages.BUT when I click on a message, the message does not come up in the message pane. When I double click on a message a new empty pane opens. I can't see my messages. What am I doing wrong?