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I wish to merge TB115 calendar with Google calendar. Do I need Lightning? Do I need Provider for Google Calendar? Confused as Lightning features seem to be included in TB115.

When I open a .jpg file, the Firefox web browser window width is too big. I want to change the default window width. Which item in about:config controls this setting and what value should I enter to have a default window width of approximately half the screen size?

Thunderbird was upgraded omn my Windows 10 machine and will not open. When I try to open this mesage comes up "Your computer must be restarted to complete a previous upgrade of Thunderbird. Do you want to restart now?". I tried the restart many times but the message keeps coming up. I tried downloading the current version and when it tries to repair the install, the same message comes up. So then I just tried to uninstall it from my computer and the same message continues to come up. Can someone offer some advice? I have been a Thunderbird user for about 30 years and it always has worked well. Thank You

Thunderbird no longer sends emails from my standard account. Receiving continues to work without any problems. The provider is Vodafone with the .kabelmail.de address Screenshots show the settings. Otherwise these always worked. I've already set the TLS version to 1 in Thunderbird, without success.

The error message can be seen in German on the other screenshot and means in English:

"Failed to send message. Error sending message. The mail server responded: spam id=155817::1723829084-40E2144E-91888C35/29/1527808. Please check the message and try again."

How can I remove the Samsung media output notification when I don't want it, I've tried finding solutions, but none worked. I want to be able to use it in some situations, but not all the time, if you can, please help me out.

I'm on a Samsung Note20 Ultra if needed.

I get this annoying error message daily (sometime, 4 or 5 times a day). I have about 50+ email accounts on Thunderbird. So, I basically will need to spend about an hour or longer to fix a problem that I already had fixed yesterday.

It says..."login to account xyz failed" and I need to enter the correct password. I complied at the beginning (I have entered the CORRECT password day-after-day).

Does anyone know...how to FIX this problem permanently?

Thanks in advance.

When I sign into my email regularly on the Thunderbird program on Windows 11, it stops syncing emails past 2022. When I go to import my profile from the %appdata% location on the old PC, it doesn't do anything after rebooting the application.

my Firefox was working just fine, and I did an update this morning and now nothing works. My Firefox will not install and nothing that works with Firefox will work. I tried to uninstall the Firefox that I had and it doesn't even show up on the list of programs any more, so I can't do an uninstall.

Hello,

I noticed a few days ago that my sent mail is missing its content. The details of each email was still in the sent folder, but when I click to open the email there is zero content. I read in a related forum article to "repair" the sent folder and now all of my emails I sent since July of 2023 are gone!

Needless to say this is a major problem as I run a small business and refer back to sent mail occasionally.

Any help would be greatly appreciated. Thank you, Tom

I'm having a difficult time logging in. I probably need to get started all over again. I locked my self out by too many attempts to log in. I'm totally lost and probably need to start the process all over again.

I utilized the security revision with Yahoo linked to by thunderbird to update the sign-in. It worked, however I lost the ~1000 emails in my Inbox. Can they be recovered?

(The emails filed in my local folders came across.)

In my control panel programs and features I have 2 versions of Firefos GB and US. When i click on about in Firefox it does not show which version i am on GB or US. I want to delete US but want to make sure i delete the right one as I have bookmarks

Also when Windows starts up i get 2 Firefox browsers open. How can I get rid of the one I dont want as first one has my favs

On FireFox v115, on Mac system High Sierra, 10.13.6. Autoplay setting will not let me remove this 'about:welcome^privateBrowsingld=1' or this 'about:welcome' no matter how many times I try. The version on my Mac laptop,129, does not have this or anything. What is this?

Would it be possible to reduce the size of files generated? Perhaps by splitting them into smaller files.

As a home user with a not very fast upload (~10Mb/s) it takes a very long time to transfer files to my cloud backup provider.

Olá, estou a tentar importar um ficheiro com centenas de e-mail para o meu MacBook Pro através de um ficheiro Zip. Sucede que o ficheiro ZIP tem cerca de 4,3 Gb de tamanho e não consigo abrir (o limite é de 2 Gb). Podem ajudar-me ? Antecipadamente grato.

I'm using Thunderbird (Nebula) 128.1.0esr (64-bit). I was composing a message earlier, in response to an email I received earlier. The message had a PDF attached, I saved it. After sending my response, I went back and noted the original message had disappeared. It's not in Trash, it just went away and I can't explain this. So I went to All Mail and (thankfully) found it. I dragged it to the Inbox where it should be.

I was in another window composing a message, so I can't imagine what would have resulted in this. Maybe I fat-fingered something (wouldn't be the first time!) but I don't believe I did. I wanted to ask here and see if there were any issues that may have caused this.

Thanks.

Dear support, I have set up a Nextcloud with a calendar that is already synchronizing via DAVx5 to my mobile phone via a dyn-dns-domain. Also the DAV connection to Thunderbird works if I use my LAN IP to contact the (local) nextcloud server.

However, if I want to use the dyn-dns-domain (that works with DAVx5 on my mobile phone), I get error 401. Via e.g. Firefox I can log on to the nextcloud via the dyn-dns-domain as well without issues. Nextcloud is set up as part of a docker service behind a SWAG reverse proxy (that is bypassed when using the LAN IP approach as that goes directly to the Nextcloud docker container), but as the configuration works with the DAVx5 on my mobile phone, I am not sure how Thunderbird would try to get access any different. Is there a way in Thunderbird to see details on the exchange to the server to see where the issue comes from? That might at least provide some more information what could be the difference between DAVx5 and Thunderbird. Thanks for any hint on how I can identify the problem.