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Can you add a configuration setting to Mozilla Firefox to disable Create New Profile, configurable in the policies.json file? (A second option but a much uglier one would be to disable being able to select a file location for a new profile. Then you could make the default profile directory write only, which would also accomplish the same thing.) (A third option would be to able to configure extensions by default upon installation in the ExtensionSettings policy.)

To explain, I use LeechblockNG on Firefox on Ubuntu. Very helpful. By placing a policies.json file (see at bottom) in /etc/firefox/policies/ directory, I can create a system wide policy. I can make the LeechblockNG extension mandatory and to be installed upon every new profile creation. That all works very well. HOWEVER, there is NO way to be able to set those options in the new profile. So LeechblockNG is installed with default options (which are no blocking at all), which effectively bypasses the addon.

I am also writing the author of the leechblock extension to see if there is any way to set the options for leechblock upon installation (the third option above).

But I know other people have this same question, and at present, if I am correct, there is no way to block new profile creation, or the Profile Manager window in Firefox.

So could you please add that option to the Firefox policies.json configuration? Something like "DisableNewProfiles": true would do it.

Thanks!

My current policies.json file in /etc/firefox/policies/ directory: { "policies": { "BlockAboutConfig": true, "BlockAboutProfiles": true, "PrivateBrowsingModeAvailability": 1, "DisableSafeMode": true, "ExtensionSettings":{ "*": { "installation_mode": "blocked", "blocked_install_message": "Prohibited install more extensions." }, "leechblockng@proginosko.com": { "installation_mode": "force_installed", "install_url": "https://addons.mozilla.org/firefox/downloads/file/4374316/leechblock_ng-1.6.6.xpi" } } } }

Good morning, Regrettably, I cannot use Thunderbird for Adresses containing a German "ü" or other signs in UTF8. It is refused by "Senden der Nachricht fehlgeschlagen. Der lokale Teil der Empfängeradresse "...ü...@arcor.de" enthält ASCII-fremde Zeichen. Ihr Server unterstützt SMTPUTF8 nicht. Bitte ändern Sie die Adresse und versuchen Sie es erneut."

And more regrettably and astonishlingly, there is no single attempt after asking this or part of this very helpless error message. Hope You can solve this severe bug, and sorry for taking Your time. Best wishes Hans J. Holm

Hi,

When I receive emails with links, nothing happens when I click on them. I have other profiles in Thunderbird: it works for them. I click on a link in a messge, it opens my default browser and opens the link in it. But not for my main Thunderbird profile.

Thanks a lot for your help,

Hi, using thunderbird for Windows, i've add thunderbird for Android on my phone. To avoir manipulations i'd used the QR codes to install accounts.

I wanna now deleted some of them in the application but i don't find how doing that ( as Well i'm looking for finding how i can choose accounts how would be synchronised... ) Can someone help me ? Thanks

Hi,

I have been using Thunderbird for many years and have a few Google accounts linked including the calendar. I noticed that one of my calendars says that it is muted. How do I unmute? Couldn't find any solutions online or on the forum. Thanks!

I downloaded the free version of mailsdaddy and converted my old outlook emails from pst to mbox. My problem is that no matter which variation of import I use through the Thunderbird Tools/Import menu, I get a message that the import failed and more info may be available in the Error Console (wherever that is). Can you tell what I'm doing wrong. Thank you!

I am considering migrating from Outlook 2016 to Thunderbird, but cannot see how to sync my contact and calendar to my iPhone. I've been using iTunes to sync, but Apple is killing that off so I'll have to move to Apple Devices (?). I've use Outlook since it was initially released, and was always happy with it, but it seems that it's time to move on, and T'bird seems like to most similar alternative. This sync process causes me to hesitate. Suggestions?

When attempting to drag/Insert picture into email text, the message "The following files couldn't be attached: filename.jpg. Please try again later." appears. Firefox 133.03 64-bit is up to date on Windows 10. I have not been able to find a solution. The dragged/Inserted picture always ends up outside the email text box and cannot be moved into it for placement or scaling. What is a solution? Is this something new or do I need to reload Firefox?

It worked last Christmas!!! It is not important now that the holiday is over but would like to fix it.

The fucking forced dark mode has return despite the previous fix layout.css.prefers-color-scheme.content-override = 1 in about:config fixing it for years. This and the current replacement fixes don't save. I want a solution for PERMANENT light mode (black text on white background) for ALL menus, pop-ups, dropdown menus and hover over tab info.

And don't tell me to go search for a different theme I've already spent hours doing that and firefox has broken them only making some menus use the appropriate mode. On top of that I can't even pick an option to search for one that uses light mode I just have to go through each one and try it if I want to know which mode it uses that is NOT a solution to anything.

Replacement "fixes" for reference: ui.systemUsesDarkTheme won't even let me set to 0 only has true/false browser.theme.content-theme set to 1 browser.theme.toolbar-theme set to 1 (Why in the absolute hell these were added when a simple addition to preference setting wasn't is beyond me)

Very sorry for the aggressiveness but I am so very VERY tired of having to fight firefox on this preferance for years when their dark mode hurts my eyes.

I was sorry to see that the 128 Nebula release did not fix the longstanding problem that Thunderbird is very slow to load in Sonoma, and has been since the Sonoma release. This is with 128.0.1esr (64-bit) on an Apple M1 Mac Mini with Sonoma 14.6. I have the same problem on a 2018 Mac Book Pro running Sonoma with an Intel chip. The problem is NOT manifest on a 2013 Mac Book Pro running the last release of Big Sur. In all 3 cases the same email accounts are loaded, so it is some interaction with the OS. (I previously reported this for Tbird 115 under Sonoma, with no resolution.)

Specifically, when I start Tbird 128 on the Sonoma M1 the window comes up in about 2 seconds but contents are blank. The contents don't fill until about 30 seconds. This makes it painful to quickly hop into email to do something, so I am resorting to Apple Mail when in a hurry. If I do the same on my 2013 Big Sur machine, it's 2 seconds for the window to come up and 8 seconds for the content to fill. Upgrading from 115 to 128 did not change this on any of the machines.

None of the enhancements of recent releases are of sufficient value to compensate for this, so I wish the team would focus on ensuring speed on all platforms. Is there any clue what is going on?