Thunderbird-Hilfeforum

Since Thunderbird was upgraded to 115.10.1 (64-bit), it now fails to send SMTP messages with the following error.

Sending of the message failed. The message could not be sent because the connection to Outgoing server (SMTP) ***.mail.pairserver.com was lost in the middle of the transaction. Try again.

This affects all six(6) accounts in Thunderbird, all of them can receive and edit e-mail messages; however, all of them fail to send e-mail messages.

Prior versions of Thunderbird have worked with this configuration for many years.

Other e-mail clients such as Evolution do not have this issue and I have confirmed with my provider that Thunderbird is no longer sending e-mails.

Any thoughts on how to roll back Thunderbird until this issue is resolved?

I have a Google Calendar, in which I manage My Tasks. I can't see my existing tasks in Thunderbird, and I can't add new tasks to the Google Calendar. New Task in Thunderbird is greyed out and the field next to it has the writing: "Please select a calendar that supports tasks".

I have seen that many had the same issue and understood that it is linked to how My Tasks in Google Calendar itself works. Is there really no workaround whatsoever?

If not, how can I manage tasks and share them with someone else (who uses Google Calendar or Apple Calendar, but does not use Thunderbird)?

Thanks in advance for your replies!

I'm debugging other problems. I go to troubleshoot mode and come back and my fonts changed.

I head into settings to fix this. Attached the view of my change while debugging to make it really big.

This does nothing. Thunderbird doesn't change the font, the size, nothing.

I'm starting to think I'm losing my mind.

I have two Google (yes, Google, not gmail) accounts. When setting up my gmail in Thunderbird, I was prompted to enter the Google account. I have entered the wrong one. Consequently, I cannot access my gmail: "Unable to log in at server. Probably wrong configuration, username or password."

I have tried all ways I have found in this forum to get rid of it again, such as editing the prefs file, but to no avail.

How can I remove the Google account from the Thunderbird settings to be able to insert the new one?

Thanks for your help in advance, Matt

Attached image, how is it possible that Thunderbird allows Bit Defender to install a spam add on and then protects it to so I can't remove the add on ?

This is just mind boggling.

Further, there is a "Why" link which should explain any logic to doing this, note there is not, and it explains nothing of the sort.

I have better things to do than run behind thunderbird to delete an extension which thunderbird has allows to "Can't be removed".

Is thunderbird with us ? or against us ?

𝐇𝐨𝐰 𝐭𝐨 𝐏𝐫𝐞𝐯𝐞𝐧𝐭 𝐔𝐩𝐝𝐚𝐭𝐞𝐬 𝐭𝐨 𝐓𝐡𝐮𝐧𝐝𝐞𝐫𝐛𝐢𝐫𝐝 As a regular here, I have frequently seen requests on how to prevent updates to Thunderbird. For most people, I believe the option found at Settings>General is sufficient. I also believe the default setting to automatically apply updates is appropriate if users do periodic backups. But I respect there are those who have strong feelings on the topic, and those who run a business and rely on stability more than new features. I acknowledge this information may be available elsewhere, and possibly superior in its approach, but this does work. So, here are the steps:

-   Create a simple text file called policies.json 
-   Enter this text into the file: 

  {
     "policies": {
        "ManualAppUpdateOnly": true,
        "AppAutoUpdate": false,
        "AppUpdateURL": "https://yoursiteisnothere.com"
      }
   }

- create a folder named ‘distribution’ and store it in the folder where thunderbird.exe resides. For Windows, that would be normally be C:\Program Files\Mozilla Thunderbird\ or C:\Program Files (x86)\Mozilla Thunderbird\
- place the file called policies.json in the distribution directory
- start Thunderbird 
- to verify this, click Settings>General and scroll down to Updates. There, you should see the words, 
          “Failed to check for updates.”  (See attached screenshots for examples.)

If you later decide you want an update, the file or folder must be removed or renamed. If changes are made while Thunderbird is running, you must exit and restart for the change to take effect.

NOTE: My suggestion to persons using this technique is to, at least twice per year, download the latest version, test to your satisfaction along with any addon updates. The intent is to stay relatively current for releases, security, and support. To never update is not recommended.

Give that I use TB as my desktop client to access my nyu.edu email (provided by google), and that recently I updated my password as periodically requested by nyu admin When I try to access nyu email a pop up screen come up asking to authenticate with imap.gmail.com. I click next and get a 403 Access Forbidden error (Authentication failure while connecting to server imap.gmail.com.)

Solutions I have tried: 1. Clear cookies, history and cache on browsers and TB; 2. Changed default browsers (Ffox, Ch, Edge); 3. Deleted account in TB and created it again using instructions here https://www.nyu.edu/servicelink/KB0016473 4. Accessed my nyu email on browser to check user name and password. It works. I can access the email.

Nothing seems to work. Still get 403 error. As a result I am unable to authenticate and hence use the email account in TB.

Hello

We've made a donation, but we're still getting the annoying "DONATION" notice popping up at the browser.

WE WOULD LIKE TO DISABLE IT PLEASE. PLEASE PROVIDE THE INSTRUCTIONS TO DO IT.

Thanks Vitor Neves CMS INC.

Using Thunderbird on Linux I cannot delete any local folders, when I try to delete them I get more copies of the folders on reopening Thunderbird, after the system says it is "not responding" and I close it down. I have tried several times and now have multiple copies of the local folders I've tried to delete.

hi there

i have been keeping my local folders stored on my microsoft sharepoint but need to move them to my local drive due to storage restraints on my sharepoint.

the first thing i did was to change local folder location to my C drive (I know how to do that).... then when I started looking online for how to move the local folders, I decided I should probably start by directing thunderbird back to the original local folder location on sharepoint... but now I can't seem to undo the change and whilst I can see my local folders on the sharepoint, i don't know which folder to select so that thunderbird will display my local folders correctly.

see attachment 1 - this is where I am directing thubderbird to find the local folders

but the local folders are looking like attachment 2

I'ved tried directing it lower down in the file hierarchy, or higher up, but nothing seems to work.

Can you help by telling me which folder I should select?

please and thank you!!!

I've recently decided to switch to Thunderbird from Windows Live Mail, which is no longer supported. I also use Mailwasher PRO which displays emails on the server and allows me to delete unwanted emails from the server. If I download emails to Thunderbird, I expect them to be stored automatically on my PC. However, when I subsequently delete them from the server, using Mailwasher, they are deleted from the inboxes in Thunderbird as well.

I'm guessing it's a setup issue but am struggling to find what is wrong. Thanks in advance for your help.

I received a message with the remark "This message contains an invitation to an event." What follows is several screens of metadata (that's what I think it's called), followed by the original note from the sender. Is there a way for me to suppress all this metadata? When I forward the message to a friend who has an iPad, it shows up without the metadata. I'd like that to be the situation when I use Thunderbird.

I've attached a screen shot of a portion of what I've called "metadata". I didn't include the very top of this metadata because it contains personal data.

I recently un-installed an old version of Thunderbird that was showing a vulnerabilty and would not patch itself to the latest version for some reason (old version was in the 60s). I had all mail stored in a non-standard folder on my D drive so that it would be included with my backups. After uninstalling, my non-standard folder is still there. However, the location where Thunderbird was originally installed was removed and that is not included in my backups.

I installed today the newest version of Thunderbird, but I cannot get it to open my old mail. I'm able to login to my accounts, but I need to access the email stored in my non-standard storage file.

Hi, As the title suggests, I am unable to delete emails from my work Microsoft account.

On attempting to delete an email, the following message is displayed:

"The current operation on "Inbox" did not succeed. The mail server for account [email] responded: [TRYCREATE] The destination mailbox could not be found."

Checking the account settings, it seems Thunderbird cannot see the "Deleted Items" folder (it only shows Inbox and Drafts). I have attached images to show what I mean, comparing with a personal Microsoft/Outlook account where it sends deleted email to the correct place.

Using the latest Thunderbird version that is available on the Microsoft Store version on Windows 11. (115.9.0) I have tried removing and re-adding the account yet the problem persists. Any troubleshooting ideas welcome!

I am using Thunderbird 115.10.1. I want to send an encrypted email with attachments of different types (pdf, docs, images, zips,...)

I have set up PGP following this guidance: https://support.mozilla.org/en-US/kb/openpgp-thunderbird-howto-and-faq#thunderbird:linux:tb115

And I have confirmed it is working with Edward following this guidance: https://emailselfdefense.fsf.org/en/

But I have tried looking online to check, are the attachments to the email also encrypted?

I accidently powered off system (PC with Windows 10) without closing programs, including Thunderbird. After restarting the system and opening Thunderbird, TB crashed. I have tried numerous fixes:

• Installed the latest version of TB (from 78.11.0 to 102.8.0)
• Opening TB in Safe Mode (disabling all add-ons, reset toolbars & controls)
• Uninstall & reinstall TB

All result in the Crash Reporter dialog, with Report Contents. I can supply the report contents. (It wasn't obvious how to attach to this forum post.)

One KB item (https://support.mozilla.org/en-US/questions/1337785) suggested that the issue may have to do with session.json file. Based on the file timestamp, that seems likely. But I don't know how to edit this file to fix the problem.

I also created a new TB profile, with does not crash on startup, but I cannot get email properly configured.

I have hundreds (maybe 1000s) of email stored in TB that I cannot access.

I would greatly appreciate any help!

Hi,

I have a user who sends me an email to one of my email addresses and it always ends up in the Junk folder. I've repeatedly marked his emails as not junk but that doesn't seem to change anything.

Is there anything I can look at that will help me figure out why it happens, and hopefully find a way to fix it.

I'm on Betterbird in case that matters. I looked thru the release notes and there seems to be nothing tagged with the junk filter.

I noticed this in the X-Proofpoint-Spam-Details email headers: mlxlogscore=764 clxscore=1015

This person seems to be the only person that has this information in their headers. Is it added by the junk filter? Or is it something on the sender's side (he uses an icloud.com and a me.com address)?

Thanks,

L

Has anyone seen a message similar to this when trying to attach a document, usually a pdf to an email?

O:\XXXXXXXXXX.pdf could not be opened, because the associated helper application does not exist. Change the association in your preferences.

Also, when someone send me an image file, I can't open it directly from the email. I have to download it and then open it. This isn't as big of an issue as the above, but I thought I'd ask it too.

Thank you

Windows 10 Thunderbird 115.10.0