Thunderbird Community Forum

Hi,

I'm running the latest version of Thunderbird 140.12.1esr on 15.7.7 (24G720) on an M1 processor.

I'm witnessing Memory leak > Thunderbird who usually use 800MB jumps to Gb up to 60Gb

It makes this version unusable.

Here is a loom of the incident: https://www.loom.com/share/0b8e661b42d64d749d80adfd71fd1e04

+ a screenshot

Anyone can help ?

Best Olivier

Whilst exploring settings I managed to create a second duplicate "stgilb@optusnet.com.au" account/profile, ie two inboxes,drafts,sent,spam & trash. In trying to eliminate the duplicate I succeeded in creating a triplicate. How do I return to a single account/profile?

A solution would be greatly appreciated.

Hello everyone! I also had the error, it randomly started moving messages to folders. I deleted everything, reinstalled (155.0.1), started building message filters. I'm at 29 now. (Gmail account) now I'm not getting new messages. For every filter I get a message saying that the filter could not be applied. No messages are coming, anywhere. What's going on?

I am trying to add IdeasDale@zohomail.com to my Thunderbird email. It is set as Incoming – imap -- Port: - 993 Server: - imap.zoho.com Outgoing – smtp –- Port: - 465 Server: - smtp.zoho.com

Thunderbird 153.1.1esr (aarch64) iMac macos Ventura 13.7.8

Hello,

When I start a new message, it's always shown 'Copy message to'. This has suddenly disappeared. (It puts copies into 'Sent'). I have 3 accounts set up; this seems to happen with all of them. I've probably clicked om something unusual, without noticing it. How can I get 'Copy message to' back again, please? Any suggestions? (I've tried clicking on things in Account Settings, without success.)

I see I've had a message from Mozilla saying 'Use 618307 to sign in'. I've been able to sign in and create thus message anyway. Is that normal, please?

Thanks for your help -- it's needed and appreciated.

All good wishes,

Roger Fern.

Roger Fern, Newcastle upon Tyne (England).

I have three AOL accounts for various reasons. Until recently, all three were available and working in Thunderbird - no issues. A few days ago on start-up, I had a pop-up requesting indicating that my password for one of these accounts had not been recognised in Thunderbird. The account was working fine on another device, ipad. Re-entering the password didn't give me access to the account, and in desperation I deleted the account from Thunderbird. I then tried to re-create it, but although Thunderbird shows all the correct(?) details in the account settings, it actually just gets all the ...box contents from another of my accounts. Does anyone have any ideas how Thunderbird references existing account when add a new mail account, or how to stop Thunderbird referencing an existing account please?

I have used Thunderbird with the same email account for years, creating subfolders and moving emails to the subfolders with no issues.

With Thunderbird 153.0.1, after creating a new subfolder in the account, when attempting to move emails to the new folder, I receive the following error:

"Thunderbird: The current command did not succeed. The email server responded: APPEND invalid flag list"

MY second email account (droulston@btinternet.com) stopped working 3 days back (it has been OK for many years). I tried uninstalling and reinstalling but my password was not accepted.

My folders are in disarray and it is cutting into my productivity to file emails. I have tried but it in settings but it doesn't work. Many are in alpha order but there are 2 different two different sections of the same name, and some odd files end up in an alphabetized section.

For instance there are 2 different ZBV sections with other stray folders in the same area that should be in there own alpha folder area. It's a mess to find the right folder. I have to scroll up and own and look for the folder I need to file in. I would be happy to donate, and i have in the past, but I really need this to get fixed. Please, please, please...

I'd be v grateful for help as this problem's in an email needed for me to sue for libel.

I drafted an email containing >50 screenshots, but not as attachments. Current download speed 257Mb/s.

Looking at it just now, it's saved with many instances saying "may be an image of text that says" followed by a description. Or as attached.

I thought that if I sent it to myself it may display correctly, but it doesn't. There's no notification bar.

I have the following settings: • View > Display Attachments Inline: checked. • Privacy settings > Allow remote content in messages: checked (no exceptions).

After the latest update of thunderbird on 19-aug-26 I found that I could send emails but not receive them. After researching the problem I changed my server setting for imap to match what spectrum recommends, confirmed I did it correctly by spectrum. Test imap connection fails, but gives no information as to why. Tried 3 dirrent imap server: 1. imap.charter.ner 2. mobile.charter.net 3. mail.twc.com I confirmed with spectrum that I'm using the correct port number.

Is it possible to rill back thunderbird to the last release? Thanks for any and all help. I've used both google and duck duck go AI to look for answers.

I have two Tbird accounts pmcreativeservices@rcn.com has been mine for 20 years, and it's what I use for bills, banking, etc. The other account is PatriciaRosemoor@rcn.com and is only used to collect messages that come from my author website. Yesterday, I got a message from someone who tried but couldn't put a book up at Amazon and asked if there was something I could do about it. My trying to send her a message via the PatriciaRosemoor account is what started requests for my Primary Password. One a minute after I cancelled the last one. I tried the two passwords I knew I had, but neither worked. I got a request for a new password so I did that and it didn't work either. I kept going back to it all day yesterday uselessly. I found directions of what to do online, but it didn't match up with my Settings information. Please, if you can tell me how to fix this, I would be grateful. Or, if I can keep the thousands of emails I probably have, I could try deleting the account and recreating the account. The problem would be how to bring all my saved emails back. Thank you for your help. Patricia

Thunderbird widow is coming up on the sceen and says loading mesages. Does not happen. And it is not possible to promt. It is also impossible to quit the programme, I have to turn off the lap top. I have upgraded, seems to be ok. but the problem is still there. Geir H W

Copilot has prepared a message for me: Subject: Thunderbird always loads corrupted profile and ignores new profiles

Message:

Thunderbird is stuck loading the same corrupted profile and always shows the welcome screen, even when I create new profiles.

I used the Profile Manager via thunderbird.exe -p and created new profiles (“Clean” and “Clean2”). Both profile folders exist in %APPDATA%\Thunderbird\Profiles. However, Thunderbird still launches the same original profile every time.

Even when I select “Clean2” in the Profile Manager (with “Use the selected profile without asking” unchecked), Thunderbird ignores the selection and loads the old profile. Safe Mode (thunderbird.exe -safe-mode) also does not disable the welcome module.

This appears to be a profiles.ini corruption or a profile lock issue, because Thunderbird is not switching profiles even though the Profile Manager shows the correct selection.

Could you advise how to repair or reset the profile configuration so Thunderbird will actually load a new profile?

Thank you.

A hacker got into one of my accounts. All emails to all accounts do not get past the Yahoo and Google servers and I've only been able to restore service through principal account. How can I save my data and correct the compromised settings?