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It was barely noticable, but SERVER NAME in Server Settings was the same for both accounts. These were Yahoo IMAP accounts. Each account had its own folder in Users / ....... / ImapMail, but both accounts were pointing to one folder. Corrected this in the SERVER NAME field in Server Settings (see image)

"SHOULD" solve the issue .......... particulary it is THE ONLY item I can find that was not normal.

These are my Outgoing settings: Server Name: mail.twc.com Port 587 Connection security SSL/TLS Authentication Method. Have tried two: No authentication and Normal Password

When I try to send I get a message that the Outgoing Server has timed out.

I've contacted Spectrum, checked everything. Just won't work. I can send when I access email from my browser, but not using Thunderbird?! Any help would be greatly appreciated.

I had to get a new computer. The old one was Win 10 and the new one is Win 11. I have a backup Thunderbird profile created on the old one from about a week ago, so I thought no problem to load Thunderbird on the new one, and import the profile. Nope, when I click "Import Everything", I get an error message "No application to import data from found". I've tried several things, including overwriting the new computer profile with the old one, but I am now out of ideas. Any help would be greatly appreciated.

I upgraded my version of Firefox from an ESR version to v129.0.1 on Debian 12. Drag and drop of files from the desktop or the file manager (PCManFM-Qt) into the browser stopped working. It is still working properly in Chrome.

This occurs with several web apps but, as an example, it occurs when trying to drag a jpeg into Roundcube Webmail while composing a message.

No browser console errors are genrated when trying to do this. It occurs in Troubleshooting (safe) mode as well. In apps that pop-up a "Drag files here" target, that target still appears but dropping the file on it does nothing.

As noted by others about recently-prior versions of Firefox, version 129 ALSO fails to play videos (on Amazon Prime) at HD even though other browsers, Chrome and Edge as examples, work perfectly well. This problem MAY have started with a fairly recent version of Firefox (like 127 or 128). See the post right here by another user, earlier Firefox version, with the EXACT same problem:

https://support.mozilla.org/en-US/que.../1455729

Hello, I recently replaced my old PC with new desktop running WIN 11. Although I am able to receive Outlook email. However, when I attempt to send mail from my Outlook address I receive an error message: "Unable to authenticate Outgoing server smtp.office365.com..." The smtp settings are attached. Firewall - Windows firewall Antivirus - MS Defender Antivirus OS - Win 11 v 23H2 Thunderbird - 129.0.1

Thanks, Richard

I use Mozilla for incoming mail, but cannot get it to send mail out. I get an error message to check my SMTP settings, which I have done repeatedly, and it doesn't fix the problem. I use those same settings to send my mail OUT with webmail (which is inconvenient to have to switch all the time), so I know the settings are correct. Can you help me understand why my outgoing mail won't work even when I verify that the settings are correct.

I use the latest Thunderbird on the latest (Sonoma) MacOS. Whichever filelink service I try to add (in Settings > Composition > Attachments) that service appears with an exclamation mark in a yellow triangle (and I am unable to send links to large files). I thought that for Dropbox and for Box that might have been as a result of the limited file sizes allowed to be sent using my free accounts. However, for Thunderbird Send, WebDAV and *cloud after clicking "Add to Thunderbird" and then clicking "Add" to provide permissions I also get the same exclamation mark error indication. (refer image 1)

Perhaps the problem is related to selecting "Create link for Send service instance" (refer image 2) - I can't make the selection stick - when I close the tab and reopen it, that option is unselected.

What am I doing wrong or not doing? Help appreciated.

I just started getting this error:

Secure Connection Failed An error occurred during a connection to www.newsmax.com.

I cannot find how to make this stop. I will get emails from Newsmax about articles and if there is something I want to read I click on the link in the email. I never had a problem with Firefox not opening the link. This just started and I can not get the link to open. I have Newsmax set up as a home setting. However, after I got the Secure Connection Failed error, I could not open the Newsmax web page even if I typed in www.newsmax.com. I am about to uninstall Firefox and use another browser. Can you please tell me how to fix this?

Dear Mozilla Support Team, Thank you for your message regarding for the Takimoto224. Now I’m trying to the set-up Thunderbird mail to my new HP PC at my home. I’m using through so-net mail address to communicate with friends and others. Then, I used to see the coming mail through Thunderbird in my house. So that I handled to communicate with so-net accounting setting for Thunderbird mail receiving and sending.

But Thunderbird saying it cannot find out the so-net account through trouble shooting setting for this time. attached related information by print shot. I need your help to create desired mailing status. Thank you and best regards, Minoru Takimoto

This has been going on for way to long.

Why can't I copy on so many web pages any more. I understand that SOME web pages are set up to not let you do so but that isn't very many. And, yes - I have followed the instructions and have the box in my setting checked.

I use to not have a problem coping from Google search but run into this problem more and more often.

If I go to EDGE I can copy without a problem.

And along these same lines, I have many etrade pages that will not load - no problem with same pages using EDGE.

I have used FF for years and years - I like it but it is getting to where if I have to keep going over to EDGE why not just use it to start with?

Take care - jb

Strangely, I can't figure out how to add to someone else's post if it doesn't already have replies so I'm having to start my own thread. Anyway...

Thunderbird on my system is 32-bit on 32-bit Windows and a day or two ago it updated itself to version 115.10.1. Since then it's been slow at sending emails, receiving emails, applying filters and pretty much everything else. Is this being worked on? I saw a couple of similar reports from other people here but like I said, I can't add a reply to them.

And if it's not known about or being worked on, is there some way I can roll back an update?

Version 128.0.3 (64-bit) What’s new Mozilla Firefox for Linux Mint

When I visit a page which contains a Google Doc spreadsheet or try to open a Google Spreadsheet the page often fails to render properly and what I see is my desktop background instead of the Google doc element or Google doc sheet. Please see attached. This has been happening for ages and I resorted back to Chrome for such pages but now I'd like to see if it can be resolved.

If I configure DoH in Windows 11, Firefox is unable to make any name lookups.

Originally I had DoH configured in Firefox, I wanted to use a Custom provider so I entered the details, and this worked initially.

I then configured the Windows 11 OS itself with the DoH custom provider, and this also worked in other apps, I could also use nslookup to successfully perform name lookups.

However, after configuring DoH in the OS, when I returned to Firefox, I could no longer access any websites. If I reconfigured Firefox to use CloudFlare or NextDNS with DoH, they also would not work. If I disabled DoH in Firefox and used regular DNS, Firefox was still incapable of performing any name lookups and accessing any websites. Only when disabling DoH in the OS did Firefox begin working normally again. I re-enabled my custom DoH in Firefox and it works as long as I do not enable DoH at the OS level.

Is this a bug?

Firefox 129.0.1 (64-bit)

Hi, After migrating email server, I am having problems synchronizing some IMAP accounts, but Thunderbird is unable to organize the emails and it corrupts the display. In Webmail it is normal and I have no problems accessing it. Coincidence or not, but the emails that are causing this problem are emails that have more than 80Gb. What I did to see if it would improve, was to divide the emails into folders by year, to reduce the size of the email occupancy, but it didn't work. At first, right when I implemented it, they asked to modify this configuration:

Edit → Preferences → Advanced → General → Configuration Editor. Follow the procedure: Locate a key called: mailnews.customDBHeaders Change it to: Received After that restart the application --> Right click on the folder and go to Properties --> Repair Folder

This worked for a few days, but then it started having problems and even repairing the folder, but it didn't help. What they told me was an issue with Thunderbird reading email data on their server, but the problem continued. They kind of "washed" their hands, since it's ok on their server and asked to test it on another email client. Has anyone experienced this problem? Attached is an image of what the email looks like, there are several with the data that I asked to repair, but empty. I've already updated to the latest version of Thunderbird, but it's still like this.