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I am encountering a peculiar issue with the "Reply to All" functionality in Thunderbird, which I believe may be a bug or an unintended behavior within the application. I hope you can provide guidance or a solution.

Issue Description: When I attempt to "Reply to All" to an email that I previously sent (which is the last email in a conversation thread), Thunderbird automatically alters the sender's address. Specifically, instead of maintaining me as the sender, it changes the sender to the one (or the first one, if there's more) of the original recipients' addresses. As a result, the email appears as if it's being sent by the recipient back to themselves. This messes with the recipient's folders and rules, as the message has no indication it's been sent by me. This happens when I initiate the "Reply to All" action from the Sent folder on emails where I was the original sender. This only happens in one of the email accounts I'm using in Thunderbird, and it's a POP Mail Server type account.

Steps to Replicate:

Send an email to one or more recipients. Go to the Sent folder and open the email that was just sent. Click on "Reply to All." Notice that the sender's address is automatically changed to one of the recipients' (typically the first one, if there are more recipients). Expected Behavior: The sender's address should remain as my email address, not change to a recipient's address, ensuring the email is correctly identified as being sent by me to the other recipients.

Troubleshooting Steps Already Taken:

Verified that no extensions or add-ons are causing this behavior. Checked for any relevant settings within Thunderbird that could influence this behavior but found none. Updated Thunderbird to the latest version available. I would appreciate any advice, solutions, or workarounds you can offer to prevent Thunderbird from automatically changing the sender's address in this scenario. Please let me know if there are any logs or additional information I can provide to assist in resolving this issue.

When I activate a quick filter (like "Show only unread"), a count of the number of messages is added to the right end of the filter bar. This means all the buttons move to the left, so I have to move the cursor toggle it off again. This is incredibly annoying and unintuitive.

Is there a way to modify this behavior so that toggle buttons don't move when they're pressed?

Collecting mail one day, I received a Thunderbird message 'compact now'. After the compact process, some mailboxes are missing. How do I re-instate these deleted mailboxes?

Firefox for Android does not follow system theme changes i.e. dark to light.

Discovered on Samsung Galaxy A22, Android 14 and Firefox 124.2.0

Steps to reproduce:

1. Configure Android to automatically switch themes. For Samsung Galaxy this is Settings - Dark Mode Settings - Turn on as scheduled
2. Wait until Android toggles theme from dark to light.
3. Notice Firefox has a black border.
4. Go into Application info for Firefox and force stop, then reopen
5. Now notice it doesn't.

This is a reopen of this archived issue: 1421453

Mozilla has been having issues loading USPS.gov site, tracking packages and informed delivery pages since last week. Switch to Safari and no issue.

I am running Thunderbird 115.10.1 on an up-to-date Windows 11 machine. I have 2 email accounts (VirginMedia and Gmai)l. When I look at the drop-down list from the top-level folders on these accounts the VirginMedia account does not offer "New Folder", but the Gmail account does. I can create new folders via the VirginMedia webmail, but not via Thunderbird. This is a problem which I have had for some months, coping with it by resorting to webmail.

Hello, All

I need major help, please.

I am getting the attached messages when trying to send an email. Thunderbird worked perfectly yesterday morning, but then would not send any emails. I get emails, but cannot send from my 2 accounts.

I am on the latest version of Thunderbird, Supernova 115.10.1

Also, I cannot find out where to change my password for the accounts, because at times I need to fill in a password. I can't find it.

Thanks in advance for any help.

Best, Leslie

I just started using Firefox again this week and I'd like to know if there's any option or add-on for Firefox mobile to have better video playback control like Samsung Internet with (video assistant) or an option to open with an external player, I've looked but can't find any way to have better playback controls. I love Firefox and want to keep using, but this is a huge feature for me.

I am having older Thunderbird 102.13.1 and when i input into a search field for example: 37.19.223. or "37.19.223." or "37\.19\.223\." it always stupidly and uselessly output tons of messages that contains unrelated IPs:

([76.223.177. [10.223.144.96]

highlighting number 223 as if i have searched just for this number 223

I think that it is reasonable to expect from TB to output only search results where email contains 37.19.223. without any hack, escaping or regex or whatever (if you know a workaround, please kindly share it).

Maybe newer TB works better? Anyone tried? If it works same way, can you please kindly ask developers to fix this?

Please see the attached screenshot. I get this popup EVERY TIME I open FireFox. I've tried a number of different suggested "fixes" from Google Searches with no success.

I want this popup GONE.

I get this Error message when I try to send emails from my outlook email address in Thunderbird. My Password is correct, and has not been changed recently.

Any ideas please ?

Here's the technical details: Win 10 Home 22H2 Build 19045.4291, Mozilla TB Thunderbird Version 78.4.0 Build ID 20201019003438 Distribution ID Update Folder C:\ProgramData\Mozilla\updates\8216C80C92C4E828

This AM I was able to check / get e-mail five (5) or more times. Then clicking 'Get Mail' displays; connecting to mail.duo-county.com After 15-20 seconds connection to server mail.duo-county.com; Timed Out

I know of NO changes to any setting. When our e-mail was set up, we were told to set we were told to use Pop-3. Our ISP, who does NOT use NOR 'know' TB said we should be using IMAP, could NOT help review nor doing anything without risking ALL folders - files-data!

PLEASE help ASAP. Since we can't get - check mail I'm LOST! My spouse's e-mail is wpj@duo-county.com

When you added a bookmark to a site in Firefox there used to be an option that when you hovered over the bookmark a dropdown would appear showing recent changes or additions to the site (see attached). It doesn't seem to be there any more - is there any means of restoring it? Thank you.

Hello people of Firefox,

I'm attempting to deploy Mozilla to our android devices using MDM but need to be able to use our organization's Certificates.

I know I can manually go into the secret menu and set it to use third party CAs and that works but when deploying to over 500 devices that's not feasible...

Is there any configuration keys I can access to be able to remotely configure the application to use third-party CAs? (These are normally referred to as key-value pair)

Thanks.

hello everyone; i have a strange issue with my yubikey and firefox on redhat linux 8. (i can't upgrade to red hat 9 and it's technically oracle linux)

its works fine for the first x hours (where x is usually between 1 and 3 hours) and then firefox will invariably stop recognizing the yubikey touch. yubikey works with any other application in that journalctl shows that systemd is aware of it's existence when i plug/unplug it and i get a string in my terminal and text editors whenever i touch they key both before and after it stops working with firefox.

i've tried these things but the behavior is still the same: - regenerating my ~/.mozilla configuration directory - toggling all *webauth* keys in about:config - switching from yum to flatpak firefox installation - switching from gnome to kde to xfce - switching from Wayland to X11

there are no error messages; journalctl doesn't show any either; and chrome doesn't seem to have this problem, but i don't trust chrome and, interestingly, chrome exhibits the same behavior when using xfce.

the only thing that works reliability is rebooting each time it happens and, as you can imagine, that's 100% intrusive and i lose all momentum in my productivity.

here's details on my system:

Firefox version: 115.10.0esr (64-bit)

OS: Red Hat Enterprise Linux release 8.9 (Ootpa) Oracle Linux Server release 8.9 5.15.0-205.149.5.1.el8uek.x86_64

X Windows info: gnome-session-wayland-session.x86_64 3.28.1-21.0.1.el8 @AppStream libwayland-client.x86_64 1.21.0-1.el8 @AppStream libwayland-cursor.x86_64 1.21.0-1.el8 @AppStream libwayland-egl.x86_64 1.21.0-1.el8 @AppStream libwayland-server.x86_64 1.21.0-1.el8 @AppStream qt5-qtwayland.x86_64 5.15.3-1.el8 @AppStream xorg-x11-server-Xwayland.x86_64 21.1.3-12.el8 @AppStream

I have support licensing from both Oracle and Yubikey and i've asked them for help and they both point the finger at each other so i'm stuck with this; any help would be appreciated!