Good day,

Friday Oct 31 I noticed Thunderbird downloading several copies (8 to 10) of the same email over and over into a couple account folders. Not the same email into separate folder accounts, rather 8 to 10 duplicates from whomever into the account it was sent to.

After restarting Thunderbird error box stated - "Thunderbird is already running, but not responding. The old Thunderbird process must be closed to open a new window."

After reviewing in Task Manager, no instance was running nor in the background.

I made a copies of these files onto a separate drive:

1) AppData\Roaming\Thunderbird\Profiles

     and profiles.ini

2) AppData\Local\Thunderbird\Profiles

=

I uninstalled Thunderbird (v 140.4.0) and did a new install, this was v 140.4.0esr

Thunderbird did open with the new install.

However it will only display the Email Account Folders and Not any of the previous emails.

It was looking into the appropriate folder, but not loading the data.

On one account I changed the location to read the profile containing the emails with no change via: Account Settings/Server/Local Settings.

I can tell by the size of the folder in the default profile, it does contain the email data, I just need it to load it.

I don't think uninstalling Thunderbird 140.4.0esr and re-installing v 140.4.0 would make any difference??

Very Interesting - any thoughts to remedy?

Thanks - Drew

Thunderbird program is all messed up. First, I cannot send an email, even to myself, and get error message: "Sending of the message failed. An error occurred while sending mail: Outgoing server (SMPT) error. The server responded: p-impout005.msg.pkvw.co.charter.net cmsmtp Connection Rejected - see htto//www.spamhaus.org/query/ip/121.127.34.205 AUP#Out-1220." Spectrum person I called referred me to Spectrum.net, and I am unable to get any help in that web site. My Thunderbird inbox page also now has the saved items in the left column all mixed up. Please help! Richard E Hartle cell phone: [edited phone# from public community support forum]

duplicate of /questions/1544753 thread

Coloured attached PDFs are displayed and sent in black and white, in both normal and troubleshooting modes.

This is not the case with DOCXs and JPEGs.

MacOS Thunderbird Desktop Version 140.4.0esr | Released October 14, 2025

Thanks in advance, Alan Lumley - [edited email from public]

duplicate of /questions/1544753 thread

Attached coloured PDFs are displayed and sent as black and white, both normal and troubleshooting mode.

JPEGs and DOCXs keep their colour.

MacOS Thunderbird Desktop Version 140.4.0esr | Released October 14, 2025

Thanks in advance, Alan Lumley

[edited email from public]

Help me retrieve my inbox and its subfolders. I have used Thunderbird for 9 or 10 years or more. I know how to find Users and the thunderbird profiles but I cannot figure out what to do next. This is a disaster for me because earthlink doesn't save my old messages.

My computer (Surfacepro 6) crashed shortly before this happened. Thunderbird seems to have updated itself at some point while this was happening and suddenly it was asking me to log in. I didn't know whether to imap or pop. I should have stopped there and gotten help, but i was so bewildered that moments before I was writing emails and several minutes later - poof.

I am trying to get away from Google and anything Google like its' search engine. I contribute financially to Mozilla and would prefer to use Thunderbird. I set up an account with Mailfence, as it was one of the only options I could find away from the big tech entities that had an independent email server. (If there is a better alternative please let me know, but I have already paid for a year of service.) I have not been able to get Thunderbird and Mailfence to work together. How do I dissociate with Google and change to Mailfence? Thanks for any help in my effort! Jeff

I just got a new PC running Windows 11. 64mb RAM, Intel i9 with 24 cores, 2TB M2 SSD for the OS drive. I did a clean install of the latest Thunderbird (144.01). I copied over my profiles from my old PC which was running Windows 10. I've done the profile move many times in the past without issue.

I've had no issues whatsoever with my Comcast mailbox's. They are also setup for POP. In the 3 days or so I've been running this my two gmail mailbox's have gotten corrupted multiple times. The error reported is that Thunderbird cannot write to the mailbox. There is over a terabyte of free space and I've triple checked the permissions (which work fine some of the time). I run Bitdefender and have used their email extension but have completely removed that. Repairing the inbox works for a while but then the error returns.

I noticed there was another thread about connecting to gmail being very slow. Connecting to gmail is definitely slower than connecting to Comcast for me though nowhere near as bad as described in the other thread.

Am open to any suggestions as to what I might try to resolve this. Thanks much.

--Vinny

I have a problem with Thunderbird in Kubuntu 24.04.3. The drag and drop of mails from one folder to another, e.g. from inbox to a sub folder, doesn't always work. If I just start Thunderbird and begin dragging emails it works fine, but if I minimize the Thunderbird window and do some other stuff. Then when I go back in Thunderbird, the drag and drop of mails has disappeared. And the only way I get it back is ending Thunderbird and start it up again.

Hello Everyone. I have an issue when trying to add a second email address to Thunderbird; I get an error 'Authentication failed. Please check the username and password...Exchange auth error' but I am able to log in to my account online using these details. It is an Outlook.com email address. Any ideas?

Today, when I use, create, or rename a sub folder in my inbox, then move an email into it, the email doesn't display in the sub folder. (it says no message found). All filters are off. Across the top of the open sub folder, it says the name of the sub folder in bold, and says there are "2 messages". So, the messages were moved, but I can't see them. I have version 140.4.0esr, 32 bit. Interestingly, it hasn't asked for an update. Also, I'm using Windows 10 Home, v 22H2, 64 bit. I appreciate any thoughts, folks. Thanks! Allan

Since the error appeared that disabled the xPunge plugin (around TB 140), I have been compacting the folders in my 4 Thunderbird mail accounts manually. I wish there was a better way, but unfortunately not at this time. When I select to Empty Trash, I get messages showing quite an extensive dialog. It logs in, syncs, and even checks the folder capability of the server. When I select to Compact Files, I first get a simple message in the lower left corner "Compacting Files." Then I get messages showing each folder being compacted, and how much space was saved. It even shows reloading the last message at the end, even though the message is already there.

Since I now see this detailed dialog, I have noticed that, from time to time, the compacting fails. I get the first message, "Compacting Folders." But then nothing else. I also don't see the email message list go blank for a second when it is compacting the folder I am viewing. If I repeat the compacting folder command, it does the same thing. It appears that TB thinks the folders are already compacted, and takes no action. The only way I have found to get the compacting to work is to wait for more messages to come, delete the ones I don't want, and it will probably work on the next try. It seems to fail perhaps every 10th time or so.

Perhaps this is the same TB base code issue that is affecting xPunge? I do not get any errors, at least that I can recognize. I looked at the console, but I could not discern anything there that might be applicable - but that could be because I don't understand most of the messages there. Is there anything I can do to get around this issue? Thanks.

I am getting this error message "Unable to write the email to the mailbox. Make sure the file system allows you write privileges, and you have enough disk space to copy the mailbox."

I definitely have enough disc space. I have been trying to archive old messages but that doesn't seem to help.

In The Olde Days (TM) when Thunderbird had plain-language file names I could archive the old folders, delete all the messages before a date I might reasonably need them (in this case I probably would have used 2024) and that seemed to clear it up.

However now all the folders are names with artificially created random characters, I can't tell what is what.

I've tried some things including restarting and some message archiving, but I have no idea how to further troubleshoot this problem!

Please help? You can also reach me at woodendoor@truthandfiction.com.

Thanks CJ

Using thunderbird on several linux machines without issues. Loaded it on a windows 10 machine to get away from outlook and could not load a .org email account hosted by google that works on my other machines. Loading screen just spins endlessly (I let it go about 30 hours). Unable to get to the manual entry portion of the software to put in gmail setting.

Is there a way to bypass the automatic check with the software and go straight to manual entry of email settings? Suggestions?

Thanks!!

Thad

Hello, gentlements!

I have installed Thunderbird via POP3 protocol. I can receive mail, but not send. Yesterday I bought BitDefender Premium Security with VPN (Unlimited traffic). As soon as I turned it on, I can't send any more messages. When I turn it off, I can send messages normally. My VPN is set to my country (Croatia). Can someone help me how to get Thunderbird to work as before? I would like to point out that I really need a VPN, because I work with sensitive data. Here are the settings for the incoming and outgoing servers:

My mom's email is an old Roundcube account, managed by some little server service or something that doesn't seem to exist anymore - Execunet. She's in a lawsuit, and the lawyers need some emails from a certain date and timestamp. Her emails are also all in files from her real estate days. I can't seem to be able to search dates from the Execunet email site, and I also can't search all of her inbox - once files are put in folders, they're out of the inbox.

So I tried Thunderbird on my laptop, an dit's downloading all of her emails from 2006, which is in the tens of thousands. If and once I find what I need, I want to delete them from my computer. How do I do that without deleting them from the server, since the account is set up as IMAP? I searched but couldn't find any answers.

Thanks for the help - I'm sure others have asked about this, so I was surprised I couldn't find the answer easily.

According to the ad, I have several hundred emails in my inbox. In fact, there are only about 25 in my profile folder. There are no more with my provider either. Where are all the emails located? Can the number be corrected? greeting D.S

I allowed Thunderbird to compact my files after I got tired of seeing the prompts for it, now all my messages are apparently gone for one account, in over 12 different sub folders. How do I get these back’ for ‘Thunderbird’ ? VERY IMPORTANT! version 144.0.1 (64 bit)

This is the second time I have lost emails with Thunderbird.

IT WILL NOT HAPPEN AGAIN, I AM DONE WITH THIS CRAP!