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Starting on 11/1/24, Thunderbird won't log into several of my comast.net email accounts. I have about 6 emails set up in TB right now and they have been working OK for literally years. First it asks me to sign in to the Comcast email, and then when I enter my password (I've checked, I am do it correctly, I even changed it, doesn't help). I get the error in the attached file.

I deleted the account from Thunderbird, and when I try to add it again, it says it automatically finds the correct configuration, but then I get the comcast login page and again get the same error in the attached file.

Again - I have this issue with 2 comcast email ids, but not three others. I have looked at the server settings to the best of my ability and I can't find anything wrong?

Hi :)

I just wanted to provide info about an issue I'm having using Thunderbird. It's been present in past iterations since I installed a few months ago (before the rebrand), and I thought I'd mention it.

I'm finding that in dark theme, some text is unreadable due to low contrast (dark text on dark background). I am imagining the email likely has css/html clashing with my preferences? These emails are the only thing I use outlook for these days, as they render okay in there.

I have included how the email appears in thunderbird, then outlook by way of comparison.

I hope this is helpful, I'm happy to provide any information I can. :) Thank you for keeping this email client going, I love using it. :)

Many thanks,

Adam

I have Thunderbird for Android installed on my phone, and Thunderbird Desktop on my laptop. When I delete an email on my phone, the deletion does not then occur automatically on the desktop version. How can I sync deletions?

Note:

• I'm using an Outlook account.
• Even if I restart the app on my phone or pull down to refresh my inbox, the deletion does not occur on my phone.
• Conversely, if I delete an email on my laptop, then the deletion will occur on my phone (after refreshing it).

I have K9 and Thunderbird mail clients for Android installed on my Motorola E series phone running Android 10. GMail and another institutional mail account (IMAP) have been configured on both mail clients. When I compose and send a mail from the institutional mail account from either mail clients, the sent mail is not copied to the sent folder (on the client nor the server), though the email gets sent to the recipients. Please help resolve this issue. Thank you for designing the wonderful mobile mail clients!

Hello, currently I cannot dismiss calendar events on my GMail calendar within Thunderbird. I am being prompted every twenty minutes about an event from last week. The Dismiss and Dismiss All buttons on the reminder form do nothing.

I am using Thunderbird 128.4.0esr (64-bit). The calendar is set up through Provider for Google Calendar version 128.0.0.

(Doing nothing is an improvement over the built-in calendar, which threw an error message every time instead).

This seems to be a persistent problem many users have encountered over the years, judging by past support requests from people with the same issue. Is there any way to dismiss these notifications? If not I will be uninstalling Thunderbird and finding a different email client.

I've just (yesterday) done a new install of Windows 10, and re-installed Thunderbird which has just updated itself to version 128.4.0esr (64-bit) and says it is up to date. Thunderbird handles four accounts for me, three of them Gmail. Each of those three has been set up differently with respect to Bin/Trash (not by me; I just let Thunderbird do all that). One of them has a Bin folder and a Trash Folder, one of them has just a Bin folder, and one of them has just a Trash folder. What is going on here and how can I fix it so they all have just one, and all called the same (I don't really care which but I'd have a UK preference for Bin!) Screenshot shows two of the accounts; folder proliferation prevents me including the third but take my word for it that the one not shown has a Trash folder!

I am running the latest update of Thunderbird 128.4.0 When I try to insert a link over text. Thunderbird hangs. I do not have any addons so there is nothing to disable. HOWEVER when I run Thunderbird in Troubleshoot mode with the button for addons disabled --- everything works as it should! I start in regular mode and look for invisible add ons to disable but there are no add ons and no themes.

I have gone to the Trouble shoot information page. I looked at the Important modified preferences to see if any network protocol handler was set to false but there are none. I went to about.config and found several preferences

network.protocol-handler.external-default. is set to true and other 

preferences beginning with network.protocol-handler.warn-external. were set to false. Forums said to set them to true to resolve problem. I did that but it did not help.

I have cleared my cache because - why not!

I stress that if I run in troubleshoot mode things work. I have been using Thunderbird for 10 years and recently jumped from version 65 to version 128. I do not know when the insert link stopped working. Any ideas besides uninstall reinstall?

SOLVED I cleared my startup cache and that did the trick.

My Thunderbird email stopped working yesterday. I rebooted and reset my modem and still nothing. When I turn it on, it briefly says no messages found and then displays a "Welcome to Thunderbird" page. It stays like that even if I click drafts, sent mail etc.

When I mark messages for deletion or other operations they are highlighted using a shade of gray which is almost indiscernible from the other gray shades used for messages in the message list. How can I change the highlight color? In K-9 it's pink and it stands out clearly.

Thunderbird for Android 8.0b1 Samsung Galaxy S21 Ultra 5G/Android 14/One UI 6.1

When opening Saved Logins in Thunderbird the window is larger that the window it is opened in and you can't adjust the column widths. Is this considered a feature or a bug? I ask this because this has been a problem since 2017.

I had a load of files in a folder. I wanted to move then back to the inbox So CTRL A then dragged to the inbox. But they have vanished Any idea where and how to retrieve then?

I deleted a block of important e-mails by mis-using a filter. I restored them and marked them as "not junk" but despite deleting the offending filter all e-mails that match the deleted filter now go to trash. Any way to fix this?

In thunderbird, only messages and maps from 2023 and earlier is shown. It started tody when I opened thunderbird. I have tried to empty cache and restart computer without result. I can se all messages and maps in my phone. Regards Per

When I create a new event by right-clicking on a day on the monthly calendar and then "Invite Attendees" I see in the new pop-up dialog that the organizer of the event has the illegal domain address of "@internal". The attendees receive their invitations but the .ics contains the line

ORGANIZER;PARTSTAT=NEEDS-ACTION;CUTYPE=INDIVIDUAL;SENT-BY="mailto:

<redacted>":mailto:<redacted>@internal

Since <redacted>@internal is an illegal email address the attendee cannot respond to the invitation either in the affirmative or negative.

How can I change the default domain of the organizer to the email address of the user creating the event? I have searched through all the settings I can find no mention of @internal there or in the documentation on the web.

I have been testing on my Win 8.1 system and Thunderbird 115.16.2 (32-bit), which is the most advanced available. The people I work with experience the same behavior with Thunderbird 128.3.0 on Win 10 and Win 11.

I've been using Thunderbird v102 for quite a while until Supernova was stabilized. I finally upgraded and Thunderbird was updated to v128. I was able to configure it to what it looked like in v102. However, when I compose an email and try to drag and drop a file (e.g. a ".pdf" file) onto the compose pane of the new email window it doesn't work. I've tried a variety of things, including saving my old profile, creating a new profile, then trying to write a new message, and finally trying to drag and drop a file for an attachment. This no longer works. I can, however, click on the "Attach" icon at the top of the write window and within a few clicks, and some searching, and a few more clicks, can attach a file.

What happened? And is this fixable? Why does all new software make it more difficult to do simple tasks that have worked for years, thinking it makes life easier by making it more difficult? Sigh...