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Suddenly, bizarrely, some of my sub folders have disappeared. They are not "greyed out". They have totally disappeared. I now missing important content, that I need. I have been unable to find a solution by browsing on this forum. Can anyone help? And if they are gone for good, can anyone suggest how I can prevent this from happening again?

128.5.0esr (64-bit) / Windows

After a dozen or so minutes from starting, TB goes into a kind of suspended mode - it does not receive emails, and the bottom progress bar (from Activity Manager) remains unchanged (for example: it indicates 50% progress, but after clicking on it, Activity Manager does not show any ongoing activities) until TB is closed. I have 6 supported accounts + local. I have already reduced the number of supported emails lying in the mailboxes for the test, I have turned off indexing. The problem still occurs.

How can I investigate what is taking up TB so much (that it cannot receive emails) when Activity Manager does not indicate any activity?

Best Regards.

After Thunderbird just updated to Version 128.5.0esr today, now all my accounts are saying that the connection is refused. This is coming from three different email services that I have accounts on. I'm assuming it's not an issue with those servers as I can access them just fine with a different email client, and I didn't change any settings. Yesterday it worked, today it doesn't. Only thing that seems to have changed is Thunderbird got updated.

After updating to 128.4.4esr I can no longer send email - NS_ERROR_FILE_ACCESS_DENIED. I can create a new message, hit Ctl-S to save and I get a dialog box of "Status: Creating mail message..." and a progress indicator that is at 100%. I also get an error of "Unable to save your messages as a draft. Sending of the message failed".

If I attempt to send and email I get the same creating mail message and an error dialog box saying "Sending of the message failed".

In the error console I see

• Bulleted list itemSending failed; , exitCode=2152857621, originalMsgURI=imap-message://andrew@defaria.com/INBOX#67121
• NS_ERROR_FILE_ACCESS_DENIED: Component returned failure code: 0x80520015 (NS_ERROR_FILE_ACCESS_DENIED) [nsIFile.createUnique]

I looked at my ~/.thunderbird directory and the permissions are 700. I'm on Ubuntu 24.04.

HELP! This new version installed today, and Thunderbird suddenly stopped running and no longer runs. I get the message: "A newer version of Thunderbird may have made changes to your profile which are no longer compatible with this older version. Use this profile only with that newer version, or create a new profile for this installation of Thunderbird. Creating a new profile requires setting up your accounts, calendars and add-ons again."

The message seems erroneous because it is running the newest version. Should I step back a version? If so, how do I do that?

Thanks!

How can I make the conversations to be displayed in the reversed order, i.e. if I have ten messages in the conversation, make the last one appear at the top line? Essentially at the very least I want conversations that have unread messages to be highlighted in the main view. How can I make that happen?

When I select an email without opening it, and press the Del key on my keyboard, the email used to be deleted - but recently this stopped working. I now have to open an email before I can delete it. Any idea what could have caused this to change and how to fix it?

Dave

I've been using Thunderbird on my Mac for 15 years now. Never had any issues with it. Love it. My wife has been using it on her Mac for the last decade. Again, no issues.

Two weeks ago, Thunderbird was working perfectly on both our laptops. However, overnight, we both started having issues sending emails. Any email to anyone now takes over one minute to send. It is painfully slow.

Receiving emails? No problem. No problems with anything else. Only sending.

Specifically, it's sending it from our Bell email accounts (we live in Canada and use Bell for our Internet needs).

I have a second account using a different domain, and that one has no issues sending. Also, when I send an email using Bell's internet browser portal, it sends instantly. So there's clearly a communication issue between Thunderbird and Bell at this point.

When this problem happened, Bell sent us a text telling us that our 1 GB Internet speed will now increase to 3 GB. That's when our email sending problems happened.

I just spoke with Bell, and they assured me that nothing changed on their end. It's too much of a coincidence to think that they have nothing to do with this. However, after speaking with the tech, I'm wondering if for some reason Thunderbird has difficulties connecting to the 3 GB servers on Bell's end. The reason I'm suggesting this is that my laptop still shows 1 GB per second download speed. However, the modem shows 3 GB. The tech suggested that our laptops can't take in more than 1.5 GB. So it's bottlenecked on our computers' end.

It's possible that Thunderbird also has a bottleneck issue because they can't negotiate the 3 GB Bell servers.

In the past two weeks, I have downloaded the three different updates Thunderbird had to offer. However, we have left my wife's Thunderbird active version it when this problem started. As a comparison. No change on either system. We are both running M2 and M3 MacBook pros, so there's no chance of it being a hardware issue on this end. And again, this problem happened literally overnight.

Help?

I have 3 email accounts linked to my thunderbird email. initially they all worked fine but now even though they all show the number of messages in the inbox, when I click on the inbox it says 'no messages to show' Help please.

I have a Word doc: This PC > Documents > Working > Demo > MyWordDoc.docx

I use Windows Explorer to navigate to This PC > Documents > Working > Demo

I highlight the file and choose SendTo and select Thunderbird

A Thunderbird message is created: - there is an attachment c:\Users\User\Documents\Working\Demo\MyWordDoc.docx - in the message the attachment's size appears as 0 bytes - see Fig 1

When I attempt to send the message I get an error saying "There was an error attaching . . . . Please check that you have access to the file."

Taking another approach I create a new message in Thunderbird

From the message screen I add the attachment This PC > Documents > Working > Demo > MyWordDoc.docx - there is an attachment MyWordDoc.docx (note there is no path prior to the filename) - in the message the attachment's size appears as 11.9 KB - see Fig 3

I can send this message (and its attachment) successfully.

These seems to have started in the beginning of November - I don't use SendTo every day so it is difficult to pinpoint exactly when it began.

Thunderbird 128.5.0 (64 bit) - I upgraded to latest version before posting this Windows 10 Pro 10.0.19045 - Updates are current

Why cannot I use SendTo to create a message with an attachment?

see the pictures: problems with receiving and sending emails. -my webmail functions correct, -internet is without problems, -XS4ALL states: no errors on their side, and account-info is correctly filled in, -windows 10, all updates installed, -fault is approx 3 weeks there, -sometimes it takes Thunderbird 6 hours to receive and send any emails, -version 128.5.0,

I use Thunderbird for many years, this is the first time I get problems, please help; Emails are important these days, because government and insurance companies communicate this way.

R. Eijgenraam, 06-51423518, Netherlands

I have Moz on two separate machines; one a Lenovo laptop Win10, the other a Lenovo desk top Win8. My message filters have stopped working. I can't tell if it's all or some, as I have 30 or more on each one. All I know is, my inbox is full of spam and messages supposed to be auto-moved to sub folders are still present. Furthermore when troubleshooting this, manually running both existing and new filters simply does nothing.

What can I do?

I'm finding threads that include the correct emails for the subject, but also additional emails that do NOT relate to the original subject. How do I pull the other "subjects" from being in the wrong thread and create their own thread. See the highlighted emails in the attached image. Each color represents a separate thread that should stand on its own.

Thanks.

Hallo und guten Tag, ich habe seit Ende September ein großes Problem. Wir sind 3 Personen die zusammen auf einen Emailaccount zugreifen. Bisher haben wir Schlagwörter nutzen können um den anderen mitzuteilen, dass die Email bearbeitet wurde usw. Nun synchronisieren die Schlagwörter nicht mehr und alles versinkt im Chaos. Können Sie mir helfen? Gibt es eine Einstellung die ich machen muss? Emailaccount ist bei Ionos.

Viele Grüße und einen schönen Tag noch. Romy

Since moving to Windows 11 and reinstalling Thunderbird, I cannot access emails by this route. I have a domain hosted by Easily and can get to my emails directly through their Control Panel, but using the same email, password, ports etc through TB it fails to find the account. I have rechecked all the settings with Easily and tried several times entering them manually in TB, with the same result. What else can I do?

Hi I started my Thunderbird on my laptop today 2024-11-26. However, last emails are from 2024-11-19, i.e 7 days ago.

I don't see what's wrong. No filters, strange sorting or similar are applied. When I login to same mailadress via webmail instead, everything works. There I have many mails between 19th Nov until today 26th Nov.

Any ideas what can be wrong? /Best Regards Joakim

What will Thunderbird do if I delete a folder which sorting rule in Thunderbird should move message? I need an answer which actual for Thunderbird versions 40 and higher. Thanks.

I have rule to move messages from Inbox to user created folder. I want to move all messages from this folder and delete empty folder. How will work work? Will stay messages in Inbox? Yes I want to stay messages in Inbox.

Why can I not delete rule? There are case when I have no access to machine with Thunderbird and rule, when I use browser to manage my mailbox.