Thunderbird Community Forum

Using Thunderbird 128.9.0esr (64-bit) in Win11. Occasionally when deleting emails from any folder, the contents of the folder completely disappear upon deleting the email. The messages all come back after restarting Tbird. It's difficult to reproduce on demand.

I'm recovering from a computer disaster and thus have a fresh install of Thunderbird without any of my old emails or message filters. Previously, when creating filter rules for junk emails, I used the option to create an action rule to delete the message from the server. The sequence was "Set Junk Status to: Junk" > "Delete Message From Server" > "Delete Message." This way I didn't have to manage the emails on the server. I want to continue this, but I don't find the Delete Message from Server option any longer. After reading other articles saying IMAP was a prerequisite for this action rule, I tried to set up a second account using IMAP but TBird told me the existing account was already set to IMAP for incoming mail. Confusing. But the bottom line is I need to know how to access this action rule going forward.

As of today, I can no longer using my Workspace accounts in Thunderbird. They have been set to OAuth forever but I guess Google changed the 2FA requirements today and I am locked out of receiving or sending mail from TBird. I have searched higha nd low and cannot find a contemporary solution. Any thoughts/fixes???

Had issues with Comcast emails. They were set up with POP settings. Was on the phone with Comcast and uninstalled 3 email addresses and reinstalled using IMAP settings. I did not delete the message data leaving that box unchecked. After about 1.5 hours on the phone with Comcast was able to get the reinstalled Comcast email addresses to pull all of the emails off Comcast website. But there are emails that are missing from each of the inbox and sent folders for each of the 3 Comcast email addresses.

I do an incremental weekly backup using Acronis True Image 2020 Home Edition. I see the folders in the path but since they were saved last Saturday under POP settings, the backups I will need to try to recover are in 3 of the Comcast folders in the "MAIL" folder and not "IMAPMAIL" folder which listed 6 folders from imap.comcast1.net through imapcomcast6.net.

What do I need to copy from the correct Comcast folder called "Profile" where the izpoojy7.default is? Within this izpoojy7.default is the folder mail.comcast-1.net which has 1 of the 3 Comcast email addresses I need to recover the inboxes and sent folder emails. Please see the attached photo of the contents of this mail.comcast-1.net folder.

Do I just copy the Inbox.mozmsgs as well as the Sent.mozmsgs files? Or do I also need to recover more of the files within the respective mail.comcast-1.net folder? Thank you for any assistance you can offer on this matter.

I have carefully entered the data for in and out servers. Confirmed by auto scan. But when going to continue, error says cannot connect. I need help. Please call me if possible. 575 361 0690.

My most recent update is VERY difficult to understand and use. Is there any other way to ask for help with the endless really simple puzzles that this new TBird brings. I don't get any answers in this forum - or there may be answers but I can't find them. Where do users go to get quick how-to-do-it answers?

I used Eudora until they quite supporting it, and then in 9/2022 switched to Thunderbird. Long-time contributor Matt was very helpful in walking me though how to transition from Eudora to Thunderbird and then import the many Eudora folders and messages into T-bird under Local Folders. A few days ago I moved from my old Win10 computer to a new Win11 computer. Only the messages that were on the mail.earthlink.net server loaded into T-bird. I had been saving the more important new messages from T-bird to the Eudora folders (stupidly, as it turns out), but now they're not there. Is there a file on the old computer that I can save to flash drive and copy onto the new hard drive, to import the Eudora stuff? I seem to recall there was an mbox file...

Any help would be greatly appreciated.

Court Lewis

I am receiving a notification that states "The certificate for mail.rvtrailers.com.au is not valid for that server. Someone could be trying to impersonate the server a" and I am not receiving any e-mails. The pop up does not give an error code. When I click on the pop up I get this

! You are about to override how Thunderbird Identifies this site Legitimate banks, stores, and other public sites will not ask you to do this Location mail.rvtrailers.com.au:143 get certificate This site attempts to identify itself with invalid information view.....

Wrong Site

The certificate belongs to a different site, which could mean that someone is trying to impersonate this site

Starting today, (April 1, 2025 - coincidence?) my sent mail doesn't go to the 'sent items' folder, it shows up in the inbox. Yesterday, sent message appeared in the 'sent items' folder, today, they're appearing in the inbox (it's unclear to me if they're actually being sent - I'm working on confirming that). I haven't changed any settings.

I have "Place replies in the folder of the message being replied to" checked, but I've always had that checked so no change there. In addition. 'Place a copy in "Sent" Folder on:..." is also selected but set items are suddenly not showing up there.

THunderbird 128.8.0esr (64-bit) running on Win 10

Edit: I just updated to 128.9.0esr (64-bit) to see if that makes a difference but it doesn't.

Folders are visible in webmail but not updating in Thunderbird. Server settings have been checked and are correct. ALSO .html signatures are not updating or saving to account. When Thunderbird is closed, the attached signature disappears

First, there used to be a columnar format that included a heading. I could sort entries by double clicking the column heading. This was handy for selecting email by date and deleting or moving them. That seems to have disappeared in Versiona 128.9 Oesr. Is there a way to recover that view?

The reason I discovered this is that I'm receiving a message on virtually every attempted Thunderbird operation saying that there is not enough disk space to complete the operation. I cannot tell if this is a Thunderbird message or a Microsoft (Windows 11) message. I've attached a screenshot. I've checked and there should be plenty of disk space; but, of course, there is a lot of spam mail in my T-Bird that I could easily delete. I've tried setting up Message Filters to delete unwanted email but that, too, produces the error message.

Can anyone tell me how to a) get my column headings back in T-bird, and b) fix whatever is causing the message?

after migrating to new windows 11 pc's how do I set Thunderbird so it will show that you have opened an email off the server at your terminal but others viewing same email account will see it as unopened until they open the email at their terminal, I have settings to not "automatically show as read" on all 3 terminals but now all incoming emails stay black highlighted as "unread" for all users sharing this account even after all 3 user terminals have actually opened said email using POP server

I think it started to happen with Version 128.9.0esr | Released April 1, 2025. It is very simple to reproduce: 1. Start TB. 2. TB downloads new messages and continues to do it every 1 minute according to the setting. 3. In 10 to 20 minutes, it hangs. I have to force it to close and then restart it to check my email.

I believe it started to happen yesterday.

Is anyone else experiencing this?

Whenever I select a message, Thunderbird automatically opens the message in a new tab. It hasn't always done this, and I don't want it to. It just started doing it one day and won't stop.

This is particularly painful when I select 10 messages to delete and instead I get 10 open windows! Please help me stop the madness.