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The last few days I am unable to send emails as I get an error message which said there is a SMTP error - I have checked it & cannot see what the problem is

I was also unable to receive emails for a day or two but that has now corrected itself

Have used Thunderbird for many years and would like to continue but this problem makes it impossible

I would like to donate but don't want to when this problem exists as it makes it un-useable

Any help much appreciated............Elizabeth

Hi,

Since the last update, downloaded on 4 July 2025 to my computer, thunderbird will not download any new emails from my server.

Please assist.

Thanks,

Melissa

I exported a address book from Mailbird as vCard to my desktop. When I import it to Thunderbird it appears with most of the entries blank. The profiles that do appear all have missing data, such as phone numbers and email addresses. This happens with 3 different address books from Mailbird. Malibird only allows export to vCard. It also happens with a older CSV, Excel file I have tried. I am using Thunderbird 139.0.2 (64-bit).

I was able to load 1 email perfectly but the 2nd email from the same cPanel will not work. Auto detect and manual settings result in authorization error. The email password is my cPanel login so would be the same for both. Any ideas?

Starting yesterday 4-3-2025 my Thunderbird email keeps locking up and saying it is not responding. I can close it and open it and then work with it for 2 or 3 minutes and it will start not responding again. This is a consistent problem the last few days. I did check and it said there was an automatic update on 4-2-25. I am not sure if this had anything to do with it but i did go in and request an update about 2 hours ago today. This has not helped as I still consistentaly get the not responding problem. Please advise what I can do to fix this.]

I have a couple of hundred filters and one of them occasionally kicks in and unexpectedly moves certain messages to a new folder but I can't figure out which filter it is. Rather than me going through every filter manually, can't Thunderbird tell me which filter affected a given message? I'd like to be able to right-click a message and be shown the exact filter(s) which affected it.

While looking for another setting, I noticed that a setting about how T-Bird handles spam mail. I have it checked. Today, I received a DOOZY of a spam mail, but Thunderbird didn't flag it. It was so obvious spam, as it asked for credit card, banking, automobile license! Also, the Subject asked to update payment info, but the From field wasn't that company.

Dell tech reinstalled Windows 11, but missing info on my local folders now on 2nd drive. I have iDrive backup of both the drives, need help to find what I need. I'm Tbird supporter monthly and at other times. Sure can use some help as need some financial records that were in local folder files.

Appreciate help to find and restore my Local Folders which held the needed data.

Thanks in advance, Kelly

Hi, I'm talking about a POP account. Every time I empty the trash, either manually or by exiting Thunderbird, the "Trash" folder is being silently deleted, and from that moment on I cannot any longer delete messages, receiving a "not enough space" error. If exit the program, and trash is set to be emptied on exit, the next time I reopen Thunderbird there is no "Trash" (Cestino in my language, I have Thunderbird in italian) folder. In my ThunderbirdProfile\Mail\Local Folders the file "Trash" of 0 byte, keep being silently deleted. To restore correct functionality, I just have to create a new "Trash" folder under "Local Folders" in Thunderbird, then a new "Cestino" folder appears, and everything is fine. But the next time I empty the Trash, the problem reappears. I suspect something linked to Windows 11, computer was recently upgraded from Win 10 to Win 11. I tried with latest version 128.7, both 32 and 64 bit. As you can see from the screenshot, after emptying Trash, the 0 byte file "Trash" is missing. Thanks Antonello

Hi all

I have my sent mail going into my Inbox be default, so that I can see entire threads in context. It's set that way in Copies & Folders in each of my email accounts. However, I frequently find sent emails in the Sent Mail folder.

Can anyone offer an idea of why, and how to fix it?

Thanks Edwin

TB on PC: have noticed that my Calendar entries are not syncing up to Outlook.com. Entries added directly to Outlook.com sync okay to my PC TB. Contacts sync works fine both ways. I just upgraded to TB 128.12 but no change. I have checked all the TB Outlook server entries and they appear correct. Any ideas? Thanks.

I suspect there is no fix and I (possibly) can restore from backups, but I would sure like to know what the issue is.

I tried retrieving an e-mail from the "folder" where I kept e-mails from 2023. The "index" one sees displayed for the folder had e-mails from Jan-Mar of 2023, but Thunderbird froze when I tried to open any of them. I tried the repair function (which I imagine is meant to rebuild the .msf file), but after than the index contained nothing from Jan-Mar. I opened both the .msf file and the no-extension file in Notepad, but I see nothing from those months.

Any clues/help would be appreciated.