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Hi Firefox team

I am Yuki belong to Electronic company IT department. We have a project to implement salesforce for customer facing and target to go live by end of this July. we are facing one issue related with firefox and salesforce.

<issue detail> Our salesforce have customized serach founctions. this search function doesn't work only in firefox browser(Edge, Chorme is ok). we can send input data from salesforce to search, however search result doesn't appear.

<current situation> we were investigating this issue with salesforce. we found this article : https://developer.salesforce.com/docs/platform/lwc/guide/security-lwsec-async.html >When LWS is enabled, JavaScript async functions that are used from a static resource work in Chromium-based browsers, but don't work in Firefox currently. The issue is a bug in Firefox.

<requet to firefox team> Would you solve above bug?

if yes, I would like to know the timeline
if no, I would like to know the reason why you don't solve.

<reference info related with LWS of salesforce> https://developer.salesforce.com/docs/atlas.en-us.exp_cloud_lwr.meta/exp_cloud_lwr/template_differences_locker.htm https://developer.salesforce.com/docs/atlas.en-us.exp_cloud_lwr.meta/exp_cloud_lwr/template_differences_locker.htm

YouTube has been so slow in Firefox. It just takes a ton of time for the video to actually play. It's just a spinning circle in a video. I can refresh several times and then it plays. I cleared my cache, history, data...etc everything from Firefox. That seemed to help for a bit. Then it just resulted back to being slow. It's just in Firefox. I played videos in Edge. It was fine. No issues. It's just FireFox. It started most recently too. It wasn't happening a week ago. I even tried going back to an old version of Firefox. Didn't help. Anyone know how to fix? Not using ad blockers either FYI. I just want videos to play normally and fast.

"Sending of password for user joebernard@verizon.net did not succeed. Mail server pop.verizon.net responded: [SYS/TEMP] Server error - Please try again later"

^^This message comes up every time I try to send an email. It can be received outside of Thunderbird and to other addresses.

When I launched Thunderbird today, it would not connect to one mailserver: imap.mailfence.com. At the same time, Thunderbird said to restart to update to 115.2.2. After updating, it still refuses to connect. There is nothing wrong with Mailfence and I do not find anything wrong with the configuration settings in Thunderbird. I even tried to set up my Mailfence email account again but it failed because it could not connect. Ideas? Thank you.

I get the pop up that includes Add Security Exception

 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:

This site attempts to identify itself with invalid Information. Unknown Identity The certificate is not trusted because it hasn’t been verified as issued by a trusted authority using a secure signature.

 Permanently store this exception

I am in Australia and Optus is my email provider. They have checked all is working at their end and suggest I contact Thunderbird which is why I am here.

Thanking you for trying to help

My e-mails fail to be delivered to my inbox immediately. They are held up somehow and then suddenly appear days later as a batch of them as though they have been held in a storage box.

When I restart Mozilla Thunderbird, my S/MIME certificate preferences under Account Settings seem to break.

When I initially select a certificate, both the common name/certificate name and the certificate fingerprint appear in the interface (see Working Settings.png). However, after restarting Thunderbird, only the common name/certificate name appears in the interface, and I cannot use S/MIME to sign messages (see Broken Settings.png). When I attempt to do so, I receive the following error message:

Send Message Error Sending of the message failed. You specified that this message should be digitally signed, but the application either failed to find the signing certificate specified in your Mail & Newsgroup Account Settings, or the certificate has expired.

To be clear, Thunderbird has no problem finding and using the certificate right after I set it—the problem only appears when I restart Thunderbird and the appearance of the certificate in the settings changes. The certificate does not expire until April 2025, so this is not the issue. The issue also occurs with another account using a different certificate that is also unexpired.

I am using Thunderbird 115.12.2 (64-bit ESR) on MacOS with Apple Silicon.

Hello,

My friend recently encountered an issue where he can no longer send email messages. Suddenly, all the buttons in the "Message" tab, except for "Create," became disabled. Additionally, the "Send" related buttons in the message creation window have disappeared.

I attempted to restore these buttons using Alt -> Toolbox, as suggested by similar questions. While the buttons do reappear in the toolbox view, they vanish again once I exit that view. All outgoing servers are configured correctly, and this setup has worked for several years without any problems. It seems that something is now blocking the ability to send emails.

We also tried updating and reinstalling the Thunderbird client, but nothing has resolved the issue.

Attached, you will find images of the disabled menus and proof of the correctly configured outgoing servers. Apologies for the software being in Russian; I hope it's still clear which buttons are disabled since the interface layout is the same.

Any suggestions would be highly appreciated! Thank you.

Hello,

I have been using Thunderbird for many years without any issues. I recently bought a laptop running Windows 11. On this machine, I have two accounts that cannot send emails via SMTP. What is puzzling is that I can retrieve emails through IMAP without any problems.

For another account I had to use STARTTLS to get it working. But on my Windows 10 machine, the same account is sending emails correctly with SSL/TLS.

Thunderbird is allowed through the Windows firewall and is on the antivirus whitelist.

I recently fixed an issue (connecting to Gmail) by allowing cookies, so it might be a simple fix like that.

Could someone help me, please?

Many thanks!

Hi!

I realised that Thunderbird keeps deleting my messages in every account from the trash folder. I didn't change any of the settings and I checked them again - as you can see in the screenshot, the settings say to not delete messages in the trash. It's a catastrophe, because I've lost messages that I had to check again.

-> Is there any way to restore messages that Thunderbird deleted without my permission? -> Is there any way to make sure that Thunderbird does not delete messages any more?

Thank you!

Version: 115.3.1 on a Mac

When opening a website, the url has a padlock with a red line thru it (unsecured), the browser then waits about 5-8 seconds for the red line to disappear (secure )then begins loading the content. It behaves on win 10 and android devices. Upon refreshing Firefox on win 10, it got faster, but reverted. Unchecked wait for secure sites doesn't help.

After auto update this error message came up and will not allow Firefox to open. Earlier in the day it had also updated ( not sure to what version) and was working fine. Laptop was then shut down and turned off for aprox. 1 hr. I then turned it back on and tried to open Firefox and it again asked to allow Firefox to make changes to my computer to which I clicked Yes. It then would not open and this error came up. error message Platform version 127.0.2 is not compatible with minVersion >=127.0.1 maxVersion <= 127.0.1

We have recently moved to a new mail server. We currently have about 20 Thunderbird email clients on Windows in an office location and a macOS home machine. On all machines email is configured to use IMAP on hostname.com port 993 SSL/TLS with Normal Password and SMTP on hostname.com port 465 SSL/TLS with Normal Password.

The home machine is working 100% with no issues, it does have a much faster and lower latency internet connection than the office machines.

Many of the office machines are experiencing intermitent SMTP error messages when sending, intermitent, "unable to save mail in the Sent folder of the Inbox", messages and intermitent unable to move messages between folders.

I have checked and double checked the settings on affected machines - however, I believe a settings issue would result in nothing working, not intermitent functionality. Plus all is working fine on the home machine with the same settings (different OS, but ports and security settings all dictated by server).

With one client behaving properly, the server likwise behaving properly when addressed by the working client and the intermitent nature of the problems we are finding, I suspect we have some sort of network issue. Somthing timing out or a firewall/AV software causing a delay.

I have increased mailnews.tcptimeout on affected machines to 250 based on a forum article but this has had no effect (No idea of units here but if it is seconde then I am not supprised - the SMTP errors, when they happen are almost instantanious).

Any ideas on how to trobleshoot this problem further - The problem seems to get worse through the day, although that may just be peoples tollerance of an intermitent issue going down.

There was an update posted today. I ran the update this morning. Now Firefox will not open.

error platform version 127.0.1 not compatible with miniversion >= 127.0

                                                                                  miniversion <= 127.0

Running Windows 10 Version 10.0.19045 Build 19045 64 bit Should I remove and reload program?

Hi,

I am running thunderbird-115.12.2-1 and Arch Linux and have the following Problem:

- I am using Unified Folders - Online search is disabled - If I change the view in any Unified Folder with more than 1 source folder to grouped by Thunderbird freezes and sometimes crashes - It does not matter what the sort by value is - Any time I switch from a not grouped by unified folder back to grouped by Thunderbird freezes and crashes sometimes again - The length of the freeze depends on the numbers of source folders for the unified folder. E.g. for my Inbox with 11 source folders between 5 and 10 minutes

I already tried - disable all addons - clear the disk cache - set mail.server.default.use_condstore to true - delete global-messages-db.sqlite

https://www.reddit.com/r/Thunderbird/comments/y795od/comment/jwk1kyp/

Right now the group by feature is not usable for me but makes it so much more clearer that I don't want to miss it.

Can you help me ?

Recently I've had problems with the SMTP server refusing to send my e-mails, I am still being able to recieve them however. When choosing to enter a new window the window where you should put your passwords appear and dissapear at the same time. I've never experienced this kind of problems before. I even removed the account and the smtp account and re-added them back again to see if it would help but to no avail.

I am following the article from Mozilla called Microsoft OAuth Authentication and Thunderbird in 2024. But still it won't work.