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I am getting the following notification: Your message was sent but a copy was not placed in your sent folder (Sent) due to network or file access errors. You can retry or save the message locally to Local Folders/Sent-[email]@earthlink.net. What is happening? How can I get back to normal?

Starting yesterday 4-3-2025 my Thunderbird email keeps locking up and saying it is not responding. I can close it and open it and then work with it for 2 or 3 minutes and it will start not responding again. This is a consistent problem the last few days. I did check and it said there was an automatic update on 4-2-25. I am not sure if this had anything to do with it but i did go in and request an update about 2 hours ago today. This has not helped as I still consistentaly get the not responding problem. Please advise what I can do to fix this.

Hello. I am trying to send emails from Thunderbird 128/140 for Linux via Exchange Server 2010 via SMTP. SMTP authorization is performed using Kerberos/GSSAPI, without connection encryption (Connection security: Note). An error occurs when sending: "Sending of the message failed. The Kerberos/GSSAPI ticket was not accepted by the Outgoing server (SMTP) test.domain.name. Please check that you are logged in to the kerberos/GSSAPI realm" Error console: mailnews.smtp: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIMailAuthModule.getNextToken]

   getNextGssapiToken resource:///modules/MailAuthenticator.sys.mjs:117
   _actionAUTH_GSSAPI resource:///modules/SmtpClient.sys.mjs:1145
   _onCommand resource:///modules/SmtpClient.sys.mjs:605
   _parse resource:///modules/SmtpClient.sys.mjs:402
   _onData resource:///modules/SmtpClient.sys.mjs:459

SmtpClient.sys.mjs:1147:19

mailnews.smtp: Authentication failed: AUTH GSSAPI SmtpClient.sys.mjs:784:17

   _onAuthFailed resource:///modules/SmtpClient.sys.mjs:784
   _actionAUTHComplete resource:///modules/SmtpClient.sys.mjs:1185
   _actionAUTH_GSSAPI resource:///modules/SmtpClient.sys.mjs:1148
   _onCommand resource:///modules/SmtpClient.sys.mjs:605
   _parse resource:///modules/SmtpClient.sys.mjs:402
   _onData resource:///modules/SmtpClient.sys.mjs:459

IMAP with Kerberos/GSSAPI is works correctly. Evolution works correctly with the same SMTP settings (it logs in and sends emails).

I have 7 email accounts. Compacting only fails with one account. I can compress the sub folders of this email account. But compacting fails with top email account fails with the following message:

The folder email@gmx,de could not be compacted because writing to the folder failed. Verify that you have enough disk space, and that you have write privileges to the file system, then try again.

I am receiving the following error message on a Win 11 desktop running Thunderbird 128.6.0.esr (64 bit): "The folder '[Gmail]/Trash on my.fr33.email@gmail.com' could not be compacted because writing to the folder failed. Verify that you have enough disk space, and that you have write privileges to the file system, then try again." I do not have a folder [Gmail]/Trash on the gmail server. I also do not get this error on other Thunderbird clients running Win 10 or Win 11. I also do NOT get the error when I manually compact the my.fr33.email account, either at the account level or at the Gmail folder level. Once I acknowledge the error the system seems to run normally until is wants to automatically compact folders. Any suggestions will be appreciated. -- John Randle Knoxville, TN

Hi, I'm unable to send emails or reply to emails. I keep getting a window pop up that says 'Add Security Exception' Then after I close that the following message comes up

Sending of message failed Unable to communicate securely with peer requested domain name does not match the server's certificate The configuration related to must be corrected.

I have no idea what all this means. It's only just started happening since I did a Thunderbird upgrade. I hope you are able to help me please? My apologies but I'm unable to attach screenshot pictures. Thank you for your time. Kind Regards Jen

Hello,

I hope you're doing well. I'm a faitthfull supporter of mozzila and thunderbird, so happy to have the app thunderbird now - thanks for that :) I'm using thunderbird to access my outlook adress since years. But, few weeks ago I can't send mail anymore (still receiving it) via thunderbird. I tried a lot of solutions, checked online the [[topic Microsoft OAuth Authentication and Thunderbird in 2024|https://support.mozilla.org/en-US/kb/microsoft-oauth-authentication-and-thunderbird-202?_gl=1*pm7jt7*_ga*MzEzODU1MDYyLjE2ODkyMzY3NTE.*_ga_R3H4BDP5J2*MTczNDk2ODU4Mi4xLjAuMTczNDk2ODU4Mi4wLjAuMA..]] topic

But still nothing, I'm beginning to despair and I don't want stop using thunderbird but it's become really anoying. Can you help me please?

thanks and merry christmas ! Yo

I have used Thunderbird for decades with no problem. On a new Windows 11 machine, though, I am having a problem. I am running 128.4.2esr (64-bit) and just reinstalled it, but keeping the profile folder.

When I start Thunderbird, it should open to mail, specifically a unified inbox and various other mailboxes below. Instead, usually, it is blank. Other reopened tabs correctly display their title and content. See screenshot.

Thunderbird works correctly if I start it in troubleshooting mode, but at this point my few add-ons are disabled. (Quicktext, Compact Headers, dark theme.) See screenshot, lightly redacted.

With Thunderbird running, in its bad mode, selecting "mail" brings up the same blank page. Also, "calendar" shows a correct list of my calendars but will not display their content. However, "address book" works, showing my address book correctly.

If I am lucky or patient -- waiting for the mail tab to potentially come to life -- Thunderbird occasionally works and, if it does, stays fine for days, as long as I don't close it. What could be going on and what should I try doing?

Thanks for any and all help.

I recently switched over from mailbird to thunderbird. I'm adding all my accounts but for some reason one of them won't show in the left side panel. Anyone have any ideas how to fix this please