Thunderbird Support Forum

With the moving of Cox emails to Yahoo would it be feasible for Thunderbird to put an instruction list(with screenshots) of how to get all our TB email accounts from Cox to TB? Do we have to delete all our TB email accounts and re-enter them into TB under the new Yahoo or can we just change the server settings on the existing Cox settings? If just changing server settings what are the settings for the new yahoo? All my accounts are IMAP so if instructions could be made, maybe one for IMAP and one for POP for those who use either. Thank you

Process is below: 1. I can successfully navigate to add-ins and choose and add-in to download 2. I can successfully click Add to Thunderbird 3. The screen in the attachment below is shown 4. I cannot get past this screen. If i click Add nothing happens and Thunderbird eventually shuts down.

I am using Debian Linux in a virual env on chromebook currently on version 115.10.1 (64-bit) of thunderbird.

Need to be able to download TBSYNC and the appropriate add-ins to get caldav and Exchange active sync to work. PLEASE HELP :)

Every year I am required to update my university's net id password. Normally T'bird responds asking for a password update. Not this year; I am just cut off.

I followed all instructions from the T-help site. But it is impossible to update the "saved password." "edit" is not allowed.

When T-bird did ask me to connect via Google, see the screen shot, the next screen locks with a 403 error message, also attached.

I would like to continue to use Tbird, but this is making it impossible. My university's IT people had me download the T-bird again, but the problem persists.

Please advise soon.

Since installing Ubuntu 23.10 on my new desktop pc, Thunderbird is failing to see the account details in .thunderbird I copied all the files from my backup into a new account directory (/home/cfi/.thunderbird/y4xyxmli.default), a technique that has worked many times in the past, but not this time. Previously, thunderbird has simply taken the settings from the backed up files and used those to connect to my organisation's mail server. Any ideas? How can I force Thunderbird to read the old account settings?

Many thanks.

Every few days, the index pane of some folder gets corrupted. Repair (right-click, Properties, Repair Folder) fixes it. Then a few days later this repeats, with a different folder. I have three IMAP accounts and this occurs on more than one of them.

Any suggestion for finding and fixing the underlying problem?

I am attempting to transition to Thunderbird. I have become quickly familiar with the HTML/CSS underlying the UI, and with the older userChrome.css structure for personal customization.

However, I can not figure out how to change the default background color of the message composition window -- which exists in a separate window from the main message viewer window -- from #2a2a2e to basic white.

Cracking open a copy of omni.ja in the app package, the only ID that I can find that seem to possibly be relevant is #messageArea, found in the following .css files:

chrome/classic/skin/classic/messenger/messageQuotes.css chrome/classic/skin/classic/messenger/shared/editorContent.css chrome/classic/skin/classic/messenger/shared/messengercompose.css

I have tried to override the default #2a2a2e color of the message composition area in my userChrome.css file, but to no success. (By contrast, it was easy to change the background color of the message viewing area with #messagePane)

I have tried the obvious step of changing the background color to white in the color settings option. Even after multiple app restarts, this setting does not affect the dark grey default background of the composition window.

Is there a name to this window div and a class or ID that i could access and customize through my userChrome.css file?

Thanks!

The program says I now have 11 emails which haven't been opened but there are no emails to open, just emails received previously. Apparently I am receiving but they are not visible to me. what happened and how to fix. I'm an amateur and don't understand computer commands.

Your response to: no calendar tab after installing lightning

"Not sure what you installed and why. The Lightning add-on is no more. The calendar has been integrated into Thunderbird since quite a while. There is no need to install an add-on. "

So if Lightning is no longer valid - please remove old references to it!! How do I get the old plain calendar tab on????

Hello, I've found this article [[Knowledge Base Article|https://support.mozilla.org/en-US/kb/maildir-thunderbird]] which substantially says that the use of maildir is deprecated. Has anything changed from the time that article was posted? I'd like to use maildir, it seems to me a more rational way to store e-mails (and it's also better to make incremental backups).

Thanks in advance Denis

A while ago, I had to work offline so I had TB download my Gmail account messages. Now I no longer want these messages to be stored locally, because the Thunderbird folder is up to 10Gb, so I unchecked the box in Synchronization for 'Keep messages in all folders for this account on this computer'. I was hoping the TB would subsequently purge the offline folders, but apparently not. Is there a way to clean out the folders without affecting my online Gmail folders as in Inbox and Sent folders?

When I attempt to send an email, I get this pop-up:

Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: impout006.msg.chrl.nc.charter.net cmsmtp 15.181.97.27 blocked. Please see https://www.spectrum.net/support/internet/understanding-email-error-codes for more information. AUP#Out-1130.

My ISP is Spectrum, they said issue is with Thunderbird, incoming s/b 993, outgoing 587, which I confirmed. How can this be fixed?

I have been using three email accounts on Thunderbird, all for a long period of time, and all without any issue. Recently the one listed below has not been backing up, and I receive this message. I am not techie at all, so any response needs to be dummy down to a 5th grader level. Thanks!

"Non-overridable TLS error occurred. Handshake error probably the TLS version or certificate used by server mail.q.com is incompatible."

tried to donate, it wouldn't let me click paypal, so used credit card, then just kept saying an error has occurred. You cant say I didn't try. You ask for donations then don't accept them.

Hello and thank you for your help, I am trying to find my old Mozilla Thunderbird, e-mail account my older computer does not work, anymore, I have not used my Thunderbird, e-mail account in over five years, because I am on a newer computer. And could not access my information on the older computer that does not work. I could really use all my information and EMAIL account for Thunderbird, because I have many years of information on all those emails, I can’t find my password, 0r email address for Thunderbird emails, because I have not used my Thunderbird account in over 5 years. My old computer does not work and Thunderbird Email is a great program. How could I get my old emails back? And working. If you could please give me more or less a time, and date, to wait for your response, so I can wait for someone to help me, and not lose that opportunity. It would be much appreciated, so I don’t miss contact with someone that can help me with this matter. I am in the East coast. And thank you for any concern in this matter please help.

Hi, I have used Thunderbird for many years and always liked it. I would like to know is there a way to tone down the brightness of the white message pane in email ?? It is very bright and glaring. Any white anywhere else I go is just fine. Thank You,, Banyarola