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Hello,

I recently upgraded to a new PC from Windows 10 to Windows 11. For some reason I can not open links in any emails, even if right clicking them. I have gone through all steps here: http://kb.mozillazine.org/Standard_diagnostic_-_Thunderbird but nothing has changed. I have disabled Win Defender completely and still no change.

Any idea what I am missing? I am at a loss at this point.

Thanks for any advice or direction.

I'm on a private home network with an internet connection. When I try to use Firefox it displays a message saying "You must log in to this network before you can access the internet".

Many websites, e.g. Amazon, won't load and an 'Open network login page' button is shown. When I click this it takes me to a Mozilla page talking about Captive Portal, but there's nothing about how to stop this happening and access those websites.

Other browsers, e.g. MS Edge, or Brave, have no problem access these websites.

How do I fix this problem?

I had TB on my desktop for years and finally got it also synced to my phone. Then with a failure with Windows 11 had to wipe clean the desktop and start over. Cannot reinstall TB. I obviously have the correct e-mail and password as I was able to log into Mozilla and submit this question. I believe it is a problem with my user name and what is on my phone setup does not work with my desktop reinstallation.

Email will not send. Message-- "Sending of the message failed. An error occurred while sending mail. The mail server responded: Email rejected. Please verify that your email address is correct in your account settings and try again." I am not sending to another person but testing with my personal email. Thank you.

This only recently started happening. This has been tested on 3 different computers. Windows 10 Pro on all three.

With VPN on: Bluemail works fine.

Thunderbird can connect and download messages, but when I try to send a message, it gives an error.

With VPN off:

Bluemail and Thunderbird both work fine.

Hi,

I am unable to get Thunderbird to work after my microsoft password was updated. I get the popup & enter my email & new password, but I never get the second popup to accept permissions. It just doesn’t go any further. I can see Failed login attempts for TB on the microsoft side. I am not too tech savvy, so I’m doing my best to troubleshoot!

This is Thunderbird 78.14.0 on mac 10.11, YES, that is old, it is a legacy mac! It was successfully setup with OAuth2 over 3 years ago & worked fine until the password update. I was able to add TB to an old 10.15 mac & it got the permissions popup & the account was added fine (but it is also using TB 150.0.2). Oddly, there was no 2FA prompts given, it just connected with my password only??

I had a number of devices that needed passwords updated, so I’m wondering if there was a conflict when trying to do this one? Do I need to delete certain files? I found where to delete the stored passwords & did that, but it’s not moving past that point to even store new ones & connect. I can’t grant permissions?

Also, I notice the successful TB login activity shows my IP address, whereas the unsuccessful one shows Browser Mozilla Firefox. I’m not sure if that helps with troubleshooting or not!

Thank you for your time!

Pretty simple. Every time I click any "news" link on my home page in Firefox it always runs into a pay wall. This is crap as these losers get a hit count to their site, get to load ads (for some people), and so on but I don't get to read the article. And who know s what kinda crap they are dumping into my cache. This needs to be fixed or the "feature" removed. This is basic privacy shit not included in a browser that tries to brag about privacy features.....

Hi all,

I'm desperately hoping someone can help me fix this so I don't have to dump Thunderbird for a different email client.

I have an email account hosted by some hosting company on a domain I own.

I noticed that Thunderbird was not returning certain emails when I searched for them. I searched, and found articles telling me to rebuild GloDa, so I followed the instructions to do that and quit Thunderbird and deleted the file. When I re-opened Thunderbird it started the re-indexing process, which I was viewing in the Activity Manager tool.

... except it only indexed a couple of the folders in my email account. It didn't index my archives, trash, spam, etc. It basically only archived the inbox and sent folders. I can see that from the list of completed tasks in the Activity Manager.

I've read on Mozilla's pages that Thunderbird indexes all folders, but it did not in my case, and as a result search is only returning a tiny proportion of my emails.

I need to be able to accurately track communications with my customers, so obviously if I can't get this fixed I'll have to move to a different email client.

I would greatly appreciate any help anyone can provide.

Ich erhalte die Meldung "Nachrichten konnten nicht in die Mailbox-Datei geschrieben werden. Stellen Sie sicher, dass das Dateisystem Ihnen Schreibrechte einräumt und genügend Speicherplatz zur Verfügung steht, um die Mailbox zu kopieren." Speicherplatz ist genügend vorhanden. Bis jetzt konnte ich meine Emails problemlos abholen. Bin erreichbar über Telefon [edited] oder Handy [edited phone#'s from community support forum]

Hi, I am experiencing an issue with accessing my Amazon orders and returns when using Mozilla Firefox. While I can navigate to Amazon.com without any problems, I am now prompted to sign in to my Amazon account whenever I attempt to view my orders or returns. This pop-up indicates that it is a Firefox security issue rather than a Windows problem. This situation has only started occurring recently, and I would appreciate any assistance in resolving this matter. My Firefox version is 150.03. Thank you for your help.

I tried reinstalling firefox because I wasn't getting notifications from websites. I'm not getting notifications now either. I checked my computer settings and reinstalled the software on my Mac Book Pro 2012 version 10.15.8.

We have bought a new computer from our tech guy before. This time, all was fine except for the Thunderbid calendar. The 20 GB of email files are all there and email still works. Only the calendar is blank. Our guy admits he dislikes Mozilla and rarely deals with it. Is there any way we can find the contents of the calendar? The old computer is still here in our house, but we only have one monitor. I had birthdays, lots of birthdays setup as repeating events. I hate to lose that.

This is odd as we didn't lose anything the last time we bought a new computer from same guy. We already were running Windows 11, so that is not the issue.