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Hello,

My father has a random issue with one of his email accounts. Context: Windows 11, TB 146.0.1. In TB, 5 mail accounts are configured, all IMAP, on 4 different providers.

All accounts work perfectly except the first one, which is also the default account. This account and the second account are both on my father's Internet provider. The configurations of both accounts seem identical (I checked more than once), except obviously for the name and password. On the first account (which is unfortunately the one my father uses most), connexion is often refused, and TB then asks to retry or enter a new password. Retry and reentering the password fail to solve the issue. When the connection to the first account fails, the second account (for the same provider) always works. Some time later (usually at least several days later), the first account will work again, without any obvious reason.

I tried exiting TB as well as clearing the cache, rebooting the computer, scanning for viruses, with no result.

I'd rather avoid re-creating the account in TB as this would change the order of the accounts, and my father (94 years old) might have difficulties to adapt to the change, but is someone can tell me how to recreate the account without changing the order, I am ready to try it.

I have a log of what happens when using only the "bad" account, and one for the good account from the same provider, but I don't know how to share them here. While creating the logs, I checked that if I set the second account as default (the first account having the issue before as well as after this), it still manages to connect. But of course, maybe the second account would have also had a connection issue later...

Does someone have any explanation, or ideas about how to solve this issue?

I used to use the basic version of Thunderbird on a daily basis, but after a while it became buggy and didn't work properly. I've been using Thunderbird beta for 3 months now. I had to take a break from work because I need to add multiple Outlook emails to Thunderbird online for one thing. I've been doing the same thing for three days now, adding emails to receive notifications about shipments ready for pickup.

After adding 2 to 5 accounts, a message pops up saying that my data is incorrect, but it is 100% correct. When I try again, an exchange error pops up, and when I check through my regular browser, I can log in and check my mailbox normally, but it does not connect to Thunderbird beta or Thunderbird daily.

And so, for 3 days, I added 2 to 5 accounts correctly, and then finally, no account wants to be added. I checked that Thunderbird has no limit, I saw about 300 accounts per day, but the accounts I'm doing are a ridiculous limit and I have some problem with the application, and before I used it the same way I do now and had no problems. Thunderbird Daily works just as badly, no works from 2 to 5 accounts, then an error pops up. What's going on with this???!?!

ich kann von Anfang Dezember an nicht mehr auf mein Arcor Mail zugreifen äh der sagt der Server ist nicht erreichbar habe schon alles versucht hier mit Windows 7 ist der PC ich habe zwei PCs mit Windows 7 und beide gehen nicht nur am Windows 10 habe ich wieder hinbekommen aber Windows 7 Minuten ich bin schon am verzweifeln oder geht das nicht mehr in Windows

I am using NextDNS as the system-wide DNS on Android (via Private DNS / NextDNS app). Other apps consistently use NextDNS as expected. However, in Firefox for Android, even after explicitly disabling DNS over HTTPS (Secure DNS), I still observe that some DNS queries appear to be resolved by other DNS providers. This behavior is intermittent and occurs on both Wi-Fi and mobile networks. My understanding is that when DoH is disabled, Firefox should strictly use the system DNS resolver. So my questions are: Does Firefox for Android have any internal DNS fallback or alternative resolution path even when DoH is turned off? Is this behavior expected by design, or could it be a bug? Are there any additional settings or advanced options required to force Firefox to always use the system DNS? Any clarification would be appreciated.

The connection has timed out

The server at eofficepwd.kerala.gov.in is taking too long to respond.

   * itemThe site could be temporarily unavailable or too busy. Try again in a few moments.
   * If you are unable to load any pages, check your computer’s network connection.
   If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the web.

I have been using Firefox for last couple of years. Two days ago I got a bunch of updates, which reminded be of how AOL used to update, ie days of confusion.

SO NOW I CANT EVEN GET ON INTERNET! So here am a few days before Christmas, and can't access my bank account, or stocks. And I had no idea Firefox was going to institute these changes.

I can't express how stupid these unauthorized changes have been (without notification!) to users. Please remove this crap ASAP, and demote the group that thought a week before Christmas was a good time to make changes.

I know that nobody cares out there but I'd like to tell you so you understand why. Have used Thunderbird for quite a while. Recently, however, I have WAY too many mystery problems: server connections timing out or unavailable, disappearing emails, correspondents NOT getting my emails, me not getting their emails. I've had to reinstall and setup the program several times in the last few months. Each time, new problems. Really HATE to abandon independent developers/organizations in favor of commercial programs, but I need a app I can rely on. Gonna see how I do for another couple of weeks. Is there an app that can scan settings and flag problems? Program's getting fairly complicated. Remember Scotty, "The more they overthink the plumbing, the easier it is to stop up the drain."

When i receive email with linkages i am getting this reply when link is used

404 Not Found

The resource you are looking for has been removed, had its name changed, or is temporarily unavailable.

We apologize for the inconvenience.

Hi,

today Thunderbird doesnt send nor discharge emails from gmail. I've seen that yesterday (december 10) it was an update. I dont know it the problem it's related or not, but the program doesnt work, it seems that it tries to connect with server but it cant. If I send an email from Gmail page it works.

Thanks for your help miquel arderiu

Ever since the latest update, Thunderbird (desktop) is extremely slow when connecting to imail.gmail.com. I frequently experience timeouts and authentication failures. This severely impedes my ability to send/receive email. I am running what I assume is the latest version of Windows 11 and have business class Internet with an ethernet connection. Please help!

I am so glad I make regular complete backups. Version 146 is a hot mess. Highlighted subject lines flashing, folders disappearing, On the second start of Thunderbird 146 I could no longer connect to hotmail, gmail, aol, juno, yahoo, All broke. Ended wiping 146 off the computer with REVO, deleting the profiles and reinstalling 145 and recovering the profiles and messages I used with 145 from backups made 2 days ago. Running the latest version of Windows 11. No need to reply, just a fair warning.

I then click on cancel to get it off my email screen. However it continues to pop up whenever I try to get my email, even though the mail comes through, it says can not connect to server. Very confusing. Anyone have this issue?

I've been using Thunderbird on a Windows machine for years. I now have an iMac and recently downloaded Thunderbird to start transitioning over. When I try to set up an existing Email address, the configuration is found in the Mozilla ISP database. After I enter the password though (mobile.charter.net), I get an error stating "Unable to log in at server. Probably wrong configuration, username or password". The password is correct and works on the Thunderbird version on the Windows machine. I have multiple Email addresses and I get the same error on all with verified correct passwords. Any help to correctly install would be greatly appreciated!

I have been using Thunderbird for a few months and changed my Google Password(even though Im not quite sure if the error wasnt already occuring before that), but now when I go on Thunderbird it gives me a popup window that says "Enter credentials for name@gmail.com on imap.gmail.com". Theres a field for the email-adress, but when I click "Next" theres the following error: "400. That’s an error. The server cannot process the request because it is malformed. It should not be retried. That’s all we know."

These are the things I tried: Entering the old or new Password. Checked if the config is set to OAuth2 in both incoming and outgoing servers and enabled on Gmail-Account. Deleted and tried to (unsuccessfully) reregister my Thunderbird-Account. The same error pops up when it checks my password after the configuration.

I dont know if the password change is actually the cause, since I think I remember the error message appearing earlier today, before I changed the password, but Im not sure. Also, I have another account linked to my Thunderbird, with no changed credentials, and while there is no similar error message, thunderbird suddenly also has problems connecting to it and asks to retry a few times (3-4) before actually connecting everytime I open it.