Thunderbird Support Forum

I am running 4 email addresses (3 hotmail.com and 1 live.com) on TB 102.15.1 (64 bit) - Windows 10. About a month ago I upgraded TB was unable to send anything no matter what Server settings I used - tried every combination - so I downgraded back to Version 102 and everything went back to normal. About a week ago, one of my hotmail accounts started giving me a "fail to log in" message. The other accounts work fine. The "fail to log in" will go from 2 or 3 times to 15 to 20 times in about an hour or so but every time, sooner or later will work and then it will be fine for a few hours and then start again. I have had these accounts running on TB for well over 10 years with no problem and I have not changed anything in the Server settings or anywhere else. The account I am having the issue with has been running on TB since TB started with no problems until now. I assume that TB may be having some issues with the Outlook platform but I have not changed anything there either and I have no problem logging into hotmail.com directly. I have spent many hours combing the internet for hints to no avail - everything I have tried has either had no effect or screwed things up so I had to back track to where I started. Any ideas???

I have a Thunderbird on my old windows computer. I just installed it on my new computer (and I donated). I could have sworn that I had the import/export tool on the old Thunderbird. I desperately need to move some folders of emails from the old computer to the new one. I can't find a way to do that. I went to a link that said the import/export tool no longer works. I tried archiving the messages in a folder but have no idea where they went. Luckily I could undo that. What is the best way to move these folders of emails to the new computer? It was really easy many years ago.

Hi,

I have just setup a new Office 365 account in Thunderbird and when I try to send an Email from the account, I get the attached error message.

When I click on "Enter New Password", the window goes away for a moment and then pops up again. There is no chance for me to put in a new password.

I know that I need to use an app password when not using Outlook which I have generated in my Microsoft account settings.

I have tried to go to "Settings -> Privacy & Security -> Saved Passwords" and have deleted all Microsoft related saved passwords. When I access my Email account again, I get prompted via the web login of Microsoft (i.e. different from the attached error message) and the app password I generated doesn't work, only the general password for my account works.

I have restarted Thunderbird and updated to the latest version, but it made no difference. I have gotten it to work on another computer, but on my mac mini, it doesn't seem to work.

Before I remove the account completely and add it again, is there any way I can fix this as I don't want to download all the messages again?

Is this a known bug in Thunderbird?

If any developer is reading this, In order to reproduce, you would have to follow these steps:

- Setup a Office365 account using the regular password used to login to the O365 website. - When sending the first email, enter the same regular password -> the first time, the dialog to enter the will show up, but it will fail, because the app password wasn't used - Then try to send again, click on "Enter new password" -> no dialog to enter new password is coming up.

I am using Thunderbird 115.10.1 on MacOSX Sonoma 14.1.1

The settings I have used are: server name: outlook.office365.com port: 587 username: my full email address Auth Method: OAuth2 Security: STARTTLS

Thank you for reading this. Looking forward to a reply.

Dirk

I am running Supernova version 115.5.2 and have a strange situation (maybe it's normal) when opening it.

If I have received any emails for any account in a previous session, then when I open a new session, the folders for these accounts open expanded and other accounts that did not receive any emails, remain collapsed.

I know there are others who have various issues regarding all folders expanded or collapsed but in Thunderbird before Supernova, I always collapsed all my folders and opened a new session with everything collapsed.

So can anyone tell me how to set-up Supernova so that when I collapse all my folders at the end of a session, a new session will open with all the folders still collapsed?

Thanks.

Hi,

Scenario: I have a custom domain with an email address, and have used mailbox.org and currently icloud to host my email. In both cases, the email address associated with my custom domain is the only one I use for everything, such as email, calendar, contacts, etc (x@er.com). Also in both cases, there is also a login email address to the email hosting service (i.e. x@mailbox.com and x@icloud.com respectively).

Issue: My calendar invites erroneously send from my icloud email address, rather than my custom domain email address. This appears to be by defaul and unchangeable. See 1/2 screenshot.

Settings: I'm on W11 Pro, using TB 115.10.1 (64-bit). For calendar settings, see 2/2 screenshot.

Background: With both providers, my calendar invites initially were being sent from the correct email address (x@er.com), but inexplicably switched to the being sent from login email address of the email hosting service after some time (about a year with mailbox.org, and a couple of months after migrating to icloud.com). This messes up my calendars, and I need to resolve it. Hopefully it's just something dumb that I'm doing.

What I've tried: On mailbox.org: When the issue first occured I put up with it for a few weeks then assumed it was probably mailbox.org and migrated to icloud. This appeared to resolve the problem at the time. On icloud, my calendar sync was setup in TB using add-ons, which worked for a couple of months and then the issue recurred. I've tried: 1. In apple account settings: I tried changing my apple-id to be my custom domain email address, rather than my icloud email address (didn't fix it). 2. I then unsubscribed from all of my network calendars in TB, removing the addons and restarting TB, as per https://support.mozilla.org/en-US/questions/1406255#answer-1568028 - I had to add a blank local calendar first before I was able to remove all of the network calendars. 3. I then added my calendars back into TB by using the direct URL locations, as per https://support.mozilla.org/en-US/questions/1406112 - when adding the calendars back, I tried using the login as both my custom domain email address, and also my icloud email address (didn't fix it).

Any help would be much appreciated.

Thank you.

I’m running Supernova 115.11.0 (32-bit) on a Windows 7 desktop (64-bit), and – from the beginning – it has been freezing at least once every 24 hours. The only way to “unfreeze” it is to use Task Manager to close Thunderbird, and then reboot it. No troubleshooting reports are ever shown.

Is this a wide-spread issue, that may be addressed in updates?

Hi, starting with Thunderbird 126.b02 (al least) there are very heavy perfoming issues. Beyond crashes it takes approximatly 10 seconds to open a specific email. Moving to another account is much more difficult: taking itself a much of time it takes supplemental time to open the INBOX.

Despite an Raphael on-dice-graphics I'm running a discrete Radeon RX 6700XT. HDD is far away from being over-lastet or running out of memory

Any ideas? Appreciated. Thx. B.

Sometimes a mail comes in, a notification sound is played - but no notification pops up (Thunderbird notification).

How come?

The mail comes in normally and arrives in the inbox - it has no filter settings.

Thanks!

There is an email app provided by xiaomi on my phone.What in the email sent by this app contains a special format of `Date` fields.It looks like that: `Date: Thu, 2 May 2024 05:55:12 UTC` It doesn't look like others' `Date: Thu, 2 May 2024 06:05:15 +0000` or `Date: Thu, 2 May 2024 10:35:14 +0800 (CST)`

but it is still conforming to standards (or is it only parsable by the JavaScript Date method?)

After I modified windows time zone and restarted thunderbird. all emails changed time so this is not a time zone problem.

But this email shown two different times in the preview and detailed pages at this moment.

So can anyone tell me if this is a bug? Thank you.

A few months ago

If I deleted an email or moved it to another folder - on my apple app for any of the accounts that I also have on thunderbird

The changes would sync seamlessly - a few seconds after I deleted or moved an email on my apple iPhone mail app - on my laptop - thunderbird would show the same changes.

The same worked the other way if I deleted or moved an email on thunderbird on my laptop - my iPhone would show the changes in seconds.

However now if I do the same on my iPhone The changes do not show up at all.

BUT if I do the changes on my laptop - they will show on my iPhone. It just doesn’t work if I do the changes on my iPhone.

Is there a reason for this?

Hello. Some time ago, empty folders appeared in the side panel of my account, I cannot delete them - how to delete them. Attached is an image with selected folders.

I've been noticing apparent duplicate messages within my unified folders inbox on my desktop recently.

Looking further I notice that one of my accounts has 'INBOX' as one of its subfolders which is where the problem appears to stem from. When I look at that account in isolation (ie not in unified folders) I can still see the inbox as a subfolder.

The subfolder 'INBOX' appears to be a duplicate of the account's main inbox (it contains the same number of emails), which may account for the appearance of duplicates.

At a guess this is probably related to inadvertent moving of folders. I find that when trying to use the scroll bar (to scroll down the subfolder list), if the mouse strays slightly to the left it will pick up a subfolder and move it unintentionally. This can cause all sorts of problems with disappearing emails and the folder structures showing differently on different computers.

In this case the duplicate email problem only happens on my desktop. On my laptop I can still see a subfolder named 'INBOX' but it shows as empty and I don't see the duplicate emails in unified folders.

It would be really useful if Mozilla could introduce a 'confirm folder move' feature as that would eradicate inadvertent moves.

How do I resolve the apparent duplicate emails on my desktop? I am somewhat reticent to delete the subfolder 'INBOX' for fear of the potential consequences. . .

Hello Thunderbird users!

Today my father lost all the sub folders below the folder Archives. Doe anybody know how to get them back?

I tried the following:

• Clicked on Folder Modes -> All Folders
• Tried the solution mentioned here: http://kb.mozillazine.org/Local_Folders

The strange thing is I also don't see any .sbd or .msf files, with one of the names he mentions, under the directory Mail (in the profile directory). How can they suddenly disappear or be deleted?

If someone knows how to get the folders (with the e-mails) back, that would be very much appreciated!

It is supposed that all emails (received & sent) are saved locally in Thunderbrid. I moved my hosting account from one provider to the other provider, I setup same email address as i had with the previous provider and also using in the Thunderbrid. I could still see all the emails but Thunderbird asked me for a new password. Things were ok up to this point but when i entered the new password, all of a sudden all the emails of that account disappeared. Surprisingly when i try to search something using search toolbox, Thunderbird shows me result from all the emails that are disappeared.

I believe emails are still there but disappeared due to some glitch & that need to be fixed in the code. Can anyone please provide me a work around or development can fix this bug & release a new version ?

Thanks Farhan

My Yahoo IMAP account in Thunderbird no longer has any email showing in the Sent folder. There's plenty of mail in Yahoo Sent mail in the browser, but it's not finding its way into Thunderbird. I tried the Repair option, but I just get a typical message that I often see for Yahoo:

"The current operation on 'Inbox' did not succeed. The mail server for account Yahoo responded: [SERVERBUG] UID FETCH Server error - Please try again later."

The Yahoo account shows Sent mail in my iPhone. The Thunderbird Sent folder was seeing messages as recently as last week, so this seems to be a new problem, and I don't know if it's something that I did wrong by mistake. Thanks for any help.

Reaching my end with defects in thunderbird. I select items in the inbox/index of the UI and it isn't updating the email view pane.

Sometimes I select in the index, it highlights the message, doesn't update and then 10-15 seconds later, the UI does a big update like it had hung on something, and it just ignores my selection completely and selects whatever it wants. This is crazy.

I'll add I have a "unified folder" and despite the 3 accounts inboxes included from accounts configured to never auto update, IT ALWAYS does updates whenever it wishes. Again, this is crazy. Like it can't be supposed to work like this ?

So: Is this thing single threaded ? Is the "unified" folder functionality mature and does it work properly ? Suggestions or pointers to fix or research/test what I see is just flat out poor performance when clicking stuff in the UI ?

I really can't believe I'm questioning the basics of thunderbird.

Version is Win 10, 115.8.1 (64-bit), udpating now but I'd say I have found the basic performance to have tanked since the bug UI change to "modernize" it. Seems to me, without exact data to support that I have been degrading ever since. No updates I've made in last few months have improved anything.

Really don't want to leave but I'm about to try using it on Mac and Linux to compare and at same time I just configured all this in apple mail for the first time in maybe 10 years. This is something I never ever thought I'd do.

Last thought, I use same accounts, on iPhone (Boxer) and many iPads. I don't see any performance problems there so I'm pretty confident this isn't the mail servers.

Hi I decided to donate so I could get rid of the automatic start of my browser showing the request for donation screen whenever I open Thunderbird. Even though I received the confirmation that I successfully donated, I still get the annoying request for donation. How do I stop the auto load of the browser?

I changed the password for one of my gmail accounts and now Thunderbird can't access it. It kept asking for verification. When I realized the problem I changed out the '@' but I can't change the password in Thunderbird. New emails are accessible in Gmail and Outlook but Thunderbird doesn't show then and nothing happens when I use 'get messages'. I need to delete the problem account to re-enter it, when I try to add the email address as a new account Thunderbird just says it already exists and does nothing.