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Hello,

I’m reaching out on behalf of Funding Move, where we’re developing a trading platform that sees significant traffic. We’re looking to fine-tune Firefox settings to ensure our users have a smooth and secure experience.

We’re specifically interested in:

Optimizing Firefox settings for better performance and faster load times Ensuring our platform integrates well with Firefox’s security features Customizing user preferences to support high-frequency trading tools Can anyone help you adjust Firefox settings to meet these needs? Any best practices or configurations you’ve found effective would be beneficial.

Thank you!

I use thunderbird through vpn to my work site. I am required to use two accounts, one to login to thunderbird and download messages and a separate smtp password to send messages.

After logging into thunderbird, the first attempt to send a message works fine. It prompts me for my smtp account password and sends my message.

The second and subsequent times I try to send a message, I get the popup error:

``` The message could not be sent using Outgoing server (SMTP) relay.xxxx.xxx for an unknown reason. Please verify that your Outgoing server (SMTP) settings are correct and try again. ```

The thunderbird error console reports:

```

   mailnews.send: Sending failed; 
   The message could not be sent using Outgoing server (SMTP)
   relay.xxxx.xxx for an unknown reason. Please verify that
   your Outgoing server (SMTP) settings are correct and try
   again.
   
   exitCode=2153394004, originalMsgURI= 
   MessageSend.jsm:337:32
       fail resource:///modules/MessageSend.jsm:337
       _deliveryExitProcessing resource:///modules/MessageSend.jsm:687
       sendDeliveryCallback resource:///modules/MessageSend.jsm:741
       OnStopRunningUrl resource:///modules/MessageSend.jsm:1432
       onerror resource:///modules/SmtpService.jsm:211
       _onError resource:///modules/SmtpClient.jsm:510

``` Once I restart thunderbird, I can send a message again - exactly once.

Other mailer applications using vpn to connect to our mail system do not have this problem.

Thunderbird does not have this problem when I am connected directly to my site's internal network, not using vpn.

My thunderbird Outgoing Server configuration is:

``` Hostname smtp.xxxx.xxx Port 25 Username xxxxx@xxxx.xxx Authenticaton Method Normal password Connection Security STARTTLS ```

Those settings are consistent with my site's requirements.

I'm using thunderbird 115.12.2 on a mac running macOS Sonoma 14.5.

This problem first surfaced when I upgraded from thunderbird 102.12.0 to 15.4.1.

It really acts like things are configured okay, because it was able to send one message, but then something gets stuck after that.

Thanks for any insights.

I use thunderbird with IMAP through vpn to my work site. Our site uses single-sign-on to connect to our mail server.

Sometimes my thunderbird client cannot authenticate to the server. The behavior is inconsistent. When I first start up thunderbird, one of 3 things happens:

a) Thunderbird logs me in via single-sign-on without prompting for my password.

b) Thunderbird gives me a login window, allows me to enter my password, and logs me in.

c) Thunderbird gives me a blank login window. The status bar at the bottom of the main screen says it is sending login information, but it has none to send. I never get logged in.

Under behaviors (a) and (b), the thunderbird status bar at the bottom of the main window says it is sending login information, opening INBOX, and downloading messages.

Sometimes restarting thunderbird or rebooting my laptop fixes behavior (c), and sometimes not.

When I'm connected, I can see my saved passwords via the Thunderbird Settings->Privacy & Security ->Passwords->Saved Passwords list. When I keep getting the blank login window, this list is empty.

I'm using thunderbird 115.12.2 on a mac running macOS Sonoma 14.5.

This problem was first noticed soon after I upgraded to thunderbird 15.8.0.

This behavior was duplicated by our support staff using thunderbird on Windows.

I don't have any data to show whether the problem happens when I am connected directly to my site's internal network. I'm not connected to that network frequently enough to be able to test the behavior, since it is so inconsistent.

My thunderbird server settings are:

``` Server Type: IMAP Mail Server Hostname xxxxx.xxxx.xxxx Port 993 Username xxxx@xxxx.xxx Connection security SSL/TLS Authentication method OAuth2 ```

Thanks for any help.

I installed firefox from windows app store, because it would not install from the mozilla download. I did install however it will not connect with any web address. Absolutely none, I have tried all the typical solutions and none have worked. I had firefox for many years. I had to uninstall and do a fresh install. I am on a desktop running Windows 10 Pro X64. Please Help! I hate Chrome, (it is working but, I hate it).

Hello all,

I just received my new Windows 11 computer and I'm setting up Firefox to my liking. I have sync turned on, but some of my settings didn't sync, (possibly because none of my other PCs are turned on?). Anyway, that's not the issue I'm writing about; I was checking the DNS over HTTPS to see what the setting was. The status showed "active" and the setting was set on "default protection".

I changed it to "max protection" but later decided to switch it back to default protection. When I did, the status now showed "inactive". I switched it back and forth between max and default, and the status change from active to inactive each time.

I read that DNS over HTTPS can show inactive under the following conditions: Firefox detects errors or certain network conditions like VPN, parental controls, enterprise policies that tell Firefox not to use DoH. I have a VPN turned on, but it is only active when I'm connected to an unsecured network, and the on/off toggle for the VPN shows "turn on", indicating that it is off and waiting for a network that has a weak security key.

Did I mistakenly think I saw active when it was actually inactive when I first checked the status of the DNS over HTTPS? Any assistance would be greatly appreciated.

Dear Sirs

I have really made a mistake in my settings. Unfortunately I have had difficulties reading my written mails and have tried several things. Changing the layout, using the zoom etc. TB does not save my settings and keeps writing af very small font. The font has always seem very small.

To search any help I have found the following: https://www.youtube.com/watch?v=klIOX4dsXU4&ab_channel=ChrisWaite

I really think I was very carefully about the change and I really do not know what has happend. I have somehow changed the default value in: layout.css.devPixelsPerPx from -1.0 to what was expected to be 1.20. But now it covers all my screen and I have no possibilities to find settings menu or even to move around to more menus.

I really appreciate if you can somehow help me to edit to the default value again. I can't find any config files in my PC under APP.data.

I really will feel very sad - if I cannot go back to my lovely mail clients settings and using all my setup in the future.

Please take a look in attached picture.

Hope you can Help - I will really feel very thankfull for your helping support.

Best Regards Alex

I accidentally disabled the keyboard shortcut for media browsing. For example, I was able to fast forward by 10 seconds by tapping the right arrow on my keyboard, but this has now been disabled. I cannot figure out how to get back to settings to re-enable this feature (checked online, in Mozilla support pages and on Mozilla community)

I think I tapped Ctrl + left arrow to bring up the settings box when I accidentally disabled the keyboard shortcut. Any help would be appreciated

Hi all 👋 I'm using the Universal Credit website - https://www.universal-credit.service.gov.uk When I receive a message, sometimes there's a radio button to "Reply", which initially opens in the center of the page as normal, but as soon as I place the cursor in the box, it shoves it off to the side and shrinks it. This has been going on for a while, but as I found work for the last 6 months, I haven't been interacting with the site. I had to reply this morning and had the same issue, so I thought to try opening it in Chrome and had no such issue.

Before I go down the Nuclear route with the "Refresh" option, as I have enough on my plate already, does anyone understand this issue and have any idea for a fix for me, please?

Firefox is set to auto-update and reports that it is up-to-date. 128.0 (64-bit) The same for the Windows install Edition Windows 10 Home Version 22H2 Installed on ‎22/‎03/‎2022 OS build 19045.4651 Experience Windows Feature Experience Pack 1000.19060.1000.0

Since yesterday I can't send e-mails anymore from my strato mail connected to Thunderbird.

I get this notification that I have to set the authentification method but everything is correct and has been working for a long time.

I am using the right port, the right address, password set to normal, SSL/TLS.

It's exactly like what it wants me to do so this error notification doesn't help at all. :S

Any ideas?

Kind regards, Nick

My email DannyDelRay@hotmail.com stopped sending & Retrieving. There's no 0Auth2 Option in my SMTP setup for the Microsoft Outlook or 365 servers so I can't overcome this issue. I have downloaded the latest version of Thunderbird and still no option for that. What do I do. This is quite important to me. I appreciate your help. Of course, for now I can retrieve my email via Outlook but I have 20 differnt emails I collect with TBird and I'm not about to change mail clients.

TBird version : 128.0.1esr (64-bit) I just updated to this version but it would not update automatically via the about Thunderbird window. That just would not update for me so I had to download and update the latest version from your site.

NOTE : I have not tried deleting the hotmail account and reinstalling it because I want to make sure this 0Auth2 thing has been tried first.

Thanks in advance for your help.

There are 32 shortcuts on my home screen - 4 rows of 8 each. However, I accidentally "dismissed" one shortcut - now there are 31 total. I cannot figure out how to restore a shortcut. Is the solution in about:config (browser.newtabpage.pinned)?

until recently to select multiple messages on the message list pane, I held the CTRL depressed and clicked on the messages I wanted to select. Then could do an operation e.g. DELETE or MOVE on all the selected messages at once. That doesn't work anymore. Only one message can be selected at a time, and gets deselected when another message is selected. The CTRL key has no effect.

My Hotmail email account is suddenly asking for passwords. I saw this was a problem 8 months ago. Yesterday, I deleted the email account, and then re-added it. Sent a message to Hotmail to test, and it worked fine. Today I turn on my PC and the same issue is happening again. I know the password is correct as it works fine when I log in on the browser (and it obviously worked fine when I re-added the account and tested it yesterday). I don't think I should have to delete and re-add an email account everyday just to check email. Why would this work one day, and stop the next? I can't find anything regarding Microsoft changing anything that would cause this to happen. Is anyone else seeing this with Hotmail? Can someone help me fix it?

I stopped using Firefox because of the level of BS Big-TEch involvement and lack of PRIVACY. I've been using BRAVE. But they are'nt much better. So I'll switch between as I feel fit. Just so you know. My recent irritation is Shortcuts. I like the speed and convenience of CHOOSING & USING my shortcuts.

I do NOT like the option of "sites you save or VISIT" That is NO option. I DO not want YOU choosing to save every site I VISIT and loading onto my screen. This is not a choice. Just because I visit a site WHY do you save it to shortcuts? It's a PITA deleting crap I don't want.

You should ONLY save the sites I CHOOSE to add.

Not rocket science. WHY DO YOU CHOOSE TO DO THIS?

The Internet It's becoming less and less about what I want to know (Trying to get relevant search replies is harder than ever) and more about what you want to know about me.

MALWARE ? When you are collecting more data than you know what to do with it is Oppressive.

I can see my current usage of Firefox being cut short again at the point of annoyance with this parasitic tech.

Oh and the proccess of creating an account and passwords blah blah just to ask a question that changes sweet FA...... No wonder there's anger. Idiots.

Can you please send me an understanding of the overlord system.

I found debank on the crypto.com defi wallet.

I staked 40 cro

                38 000 000.00 million Old Phoenix tokens

The growths still going up

The balance is. 6.4 billion can you please help me out.

Is there a way migration I'm really sorry l thought that this was stolen from me .

Please 🥺 advise.

Regards

Bruce Wilson Smith

Hello, since about two month I can't read some mails. In the overview the from and subject is ok. In the quick preview or when I open the mail I ony get a content like "------=_NextPart_000_0008_01D603AB.DC067530--" When I open the IMAP Mail on my phone or with another mail client, I can read the mail normaly. I use the Thunderbird 128.0 esr x64. This problem is also present when Thunderbird is started in save mode.

Thanks and have a nice day Tobias