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Thunderbird is our e-mail client. We have a number of e-mail addresses. On one of our computers we can receive but not send on one of our verizon.net e-mail accounts. All of the outgoing server information (except the username is the same for both accounts. When we try to send e-mail from the one account it just hangs and never sends (I eventually cancel sending). We are running Windows 11 Professional on the affected machine. Thunderbird is successfully managing e-mail from multiple e-mail providers. When I had time I looked on-line for solutions, nothing I found worked. Any assistance will be greatly appreciated.

Like a number of others, I'm getting a lot of IMAP errors when sending email or moving it between folders. It seems like the IMAP connection is lost after 15-30 minutes and the only way to recover is restarting Thunderbird.

This is happening with Pair.com-hosted email in my case, and does not happen with Seamonkey. It's only been a problem with Thunderbird.

When the fault is triggered when sending email, the outbound message gets hung on the "Copying message to sent folder" step. Looking at TCPView, I'm not seeing any TCP connections from Thunderbird to the IMAP server:

thunderbird.exe 22264 TCP Altais 60613 localhost 60614 ESTABLISHED 2,227 2,227 thunderbird.exe 22264 TCP Altais 60614 localhost 60613 ESTABLISHED 2,227 2,227

If I hit cancel to escape, I get the message: "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-Personal Account (IMAP).". If I then save to the local folder, moving it from there to the IMAP Sent folder fails until I restart Thunderbird.

I just upgraded my desktop pc from Windows 10 to 11, and before the upgrade I used the Tools Export function to export my complete Thunderbird profile, so I could import it after the upgrade. Unfortunately the export file cannot be read on my upgraded pc using the Import function - Thunderbird gives me error messages every time, that suggest the exported folder might be corrupted or invalid.

My IMAP emails are fine, as I have set those accounts up from scratch and the folders have now populated with all the emails - the problem is all my filed emails, dating back many years, which were all stored manually in a filing system under Local Folders.

I tried manually copying across the individual files from the extracted back-up folder into my live Thunderbird profile and then reopened Thunderbird...which worked to some extent...as in, all the folders are there, but no emails are showing! It shows no messages under each folder, even though if you look under the Profile you can see that the email files exist.

I tried various ways to bring them in, including zipping one of the folders and trying to import from the zip file (which also brought in a folder but no emails) but even though the email files are clearly there under my profile, Thunderbird shows 0 messages in all my Local Folders. It's as though it is unaware the files exist, so I suspect it needs them to be formally imported somehow?

I would hate to lose the emails, as they document important information and purchases etc over many years, along with archived emails for my charity work, social events, etc. As I said, I can see the files are there but simply copying the files to my profile has only worked to the extent the filing 'structure' is visible, Thunderbird doesn't display any of the emails.

I have included two images...one of my Thunderbird Local Folders as they currently look, and the other showing the backed up files existing in my Profile, which I hope are helpful.

Can anyone help please? I am running a desktop PC on Windows 11. Thanks, David.

I recently applied the latest update and now I can see all the message headers up to the update, but no new ones. The headers displayed do not have any messages attached. I have confirmed that the problem is on this computer only as my laptop which does not as yet have the latest update applied, works as normal in terms of new messages and old messages are also there. This problem only seems confined to my inbox. I have tried re-downloading my messages, checked all the settings and so forth and that works but still message bodies in the inbox. I have checked my password. I have used Thunderbird pretty much since it started (also Firebox has been my primary browser for many years and still is.

The other thing I did around this time was to install the Thunderbird app on my Android phone. As part of this I generated a QR code to copy settings etc over to the phone. 

I can see that I have my 2 account headers on the phone, but nothing else.

Over three days I retrieved 100000+ messages taking up over 9 gig of disk space. When I relaunched Thunderbird it asked me to set it up again which I did (probably unwisely). When it launched, the inbox was empty. It is fetching new messages but the old messages that I can still see on gmail.com are not visible.

Quando si apre la posta, il sistema si blocca su alcuni account ed è necessario chiudere e riaprire il programma. Quando si apre la posta durante lo scaricamento dei messaggi, si blocca e bisogna riavviarlo. Mentre si scrive un messaggio si blocca e bisogna riavviarlo. Spesso quando si riavvia molti messaggi in arrivo vengono duplicati

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The global search in TB is completely defective. I am now running 128.2.0esr and hoped that update might fix it. It hasn't. I just wonder, are there any older or non ESR versions I can downgrade/move to, where the search is fully functional?

Hi,

can I create a local folder (i.e. unsynced with mail server) like in the Thunderbird desktop version? I'd like to have a local 'archive' folder.

Thanks.

On 29 Nov 2024, TBird stopped downloading all emails from all my accounts. I have not changed anything on the computer and have run all the troubleshooting routines I can find for TBird. Still not working. Interestingly, when Better Bird import the settings from TBird, it exhibited the same issues. Any suggestions?

TIA

Including a picture in case description isn't clear. In different email addresses, why are some inbox folders a top level folder but in others it is grouped with all the other folders 'sent, drafts, trash, etc.'. In one you will see that I can collapse all other folders into the Inbox folder. In others, I can't. I'd like all the inbox folders to be top folders so I don't have to either collapse all folders into the email header or leave them all open.

Picture shows the second email with a top level inbox and sent, drafts, trash, etc as subfolders.

Hello, Each time i log in to Thunderbird, a window opens saying “Mozilla Thunderbird Email wants to access your google account”. So I click on "allow" and I receive a message on my phone to which I reply "yes it was me" but it happens several times each time Thunderbird connects. Any idea? Many thanks Bastien from France Bastienpelenc@mailo.com

Witam, Od wczoraj nie działa poczta: k.kacprzak@macgraf-design.com.pl. Nie wychodzą ani nie przychodzą maile. Sprawdziliśmy serwer i tak jest ok, poczta przychodzi. Na komputerze nic nie ruszaliśmy. Więc nie wiem gdzie leży problem. Proszę o pomoc. Pozdrawiam Karolina Chmiel-Kacprzak

When I am trying to subscribe to https://fosstodon.org/@linkwarden.rss Thunderbird stuck on 8/16 messages. Never finishes. After all I can't find feed in the feeds list and Mail\Feeds\feeds.json doesn't contain 'destFolder'. ```json {

       "url": "https://fosstodon.org/@linkwarden.rss",
       "quickMode": false,
       "options": {
           "version": 2,
           "updates": {
               "enabled": true,
               "updateMinutes": 360,
               "updateUnits": "min",
               "lastUpdateTime": null,
               "lastDownloadTime": null,
               "updatePeriod": "",
               "updateFrequency": "",
               "updateBase": ""
           },
           "category": {
               "enabled": true,
               "prefixEnabled": false,
               "prefix": ""
           }
       },
       "title": "linkwarden",
       "link": "https://fosstodon.org/@linkwarden"
   }

``` But if I try to add it again I got an error "You already have a subscription for this feed"

This happened once before, then started working again for a few months and now doing it again. When I start up Thunderbird the emails will not load. I keeps saying "not responding." After around five minutes or so a couple of emails will load and then it's back to "not responding." Then another few or more minutes of waiting and another couple of emails download and back to "not responding." This goes on for hours. Tonight I have been waiting for eight hours and I'm still waiting with no end in sight. I can't do anything else with email until it finishes. This is very frustrating. Can you help?

I've had Tbird for a number of years and have been satisfied. However, this past year the program started to act up not sending emails every once in a while. Problem would clear itself in 2-3 days. Now it won't. I have not been able to send emails for three months. I have gone through all your advice in all your Support and all your info available on the internet. There is nothing wrong with my Tbird set up, my computer, or my ISP. It's a Tbird thing. I am not the only one who has this problem judging by the number of incidents in your support page. Please get this thing fixed because I am [this] close to uninstalling a now-useless program. Thank you.

How do I get Thunderbird to pick up all the messages in all my accounts. Currently, it omits some messages and I have to open one of the web email programs to see these messages.