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I am using version 146.0.1. When I try to change accounts order from "Account Settings" by dragging and dropping the account and restart TB then it is returning to previous order. So I am not able to change the accounts order. Thank you. Ulvi

I was sent an email so I could reset my password, and Firefox said I was using windows 10, when in fact I'm using windows 11, unfortunately. Is this a bug? What gives?

Hi,

Mozilla has been a part of my life since the dial-up times, with Thunderbird and even some time with the Mozilla Suite (https://en.wikipedia.org/wiki/Mozilla_Application_Suite). So I had an account on the Thunderbird add-on page and created some collections and also a Firefox account for sync.

Since the Firefox account became the Mozilla account, I haven't logged into the Thunderbird add-on site: https://addons.thunderbird.net Just now I noticed, that there is only the Mozilla account login available and I cannot get into my old Thunderbird account.

If I log in with my Mozilla (formerly Firefox) account, I am logged into a new/empty/un-customized account on the Thunderbird add-on site. If I try to change my username to what I used before, it tells me that username is taken. That means my old account still exists! Yay!

Now my question is, how do I recover it? How do I log back into it? Can I connect it to my Mozilla account?

Other people seem to have run into the same issue: https://connect.mozilla.org/t5/discussions/how-to-connect-thunderbird-to-my-mozilla-account-without-loosing/td-p/56623

Please help me with that. I would love to engage on the Thunderbird add-ons page again.

Have a great start to the new year

Joda

PS: I got sent here by the Mozilla Account support team, that I contacted through: https://support.mozilla.org/en-US/questions/new/mozilla-account/form

I have a new Mozilla (FireFox) account and keep getting emails that say I need to confirm it. They include a button to do so but I'm not clicking it unless I get better information from you. Please help. The email swears my account will be deleted if I don't confirm it. What do I do?

Hello everybody, I have 5 accounts managed with Thunderbird. They are named provider, provider-1 up to provider-4. I don't know, which Thunderbird-Account belongs to which Provider-Account. Is there any possibility to find out, which Thunderbird-Account belongs to which Provider-Account and to save one of these 5 Thunderbird-Accounts on disk?

I have had my @yahoo.ca email for many years. I have always used Thunderbird to retrieve my email and read it locally on my desktop. Recently when Thunderbird launched Rogers take over and wants me to lo in to rogers. It is not a Rogers.com email address, it is a yahoo.ca email address.

Why has Rogers taken over my email.

I can still access my email on the web at the yahoo.ca website, but I want it back in Thunderbird as well.

john_f_burke@yahoo.ca

After many years of using Thunderbird with an AOL account I changed my password in AOL to increase the security. So I had to install the AOL account again in Thunderbird. I created an app password in AOL and put it in Thunderbird. Everythin fine so far. AOL login window opens automatically. But after login to AOL the message "somthing went wrong" and "try on anther device" pops up. I tried it on several PC's - no way. Other mail clients like Mailspring oder Mailbird did work with the AOL account. What is the problem?

I have 2 hotmail accounts that Thunderbird can access but my wife's one has not since set up.

I have had to set up new email account for my wife because her one she has used for 10 years will end after 6th January 2026 because email service provider is ceasing email business. I have an hotmail address that has worked seamlessly with Thunderbird for 10 years. If it is tried in Thunderbird to access the new account to check for new mail it either states not authorised or not connected. I have tried adjusting settings to be same as mine but not succeed in solving. I am at a loss. Maybe it was easier set up accounts 10 years ago?

My profile did previously work with news.eternal-september.org, although I very rarely used NNTP. The last active use might have been as long as July or August 2023.

A few days ago I added news.gmane.io, it did not appear in the sidebar.

news.eternal-september.org:

• was originally in the sidebar, and responsive
• is not in the sidebar after removing then re-adding the account.

Can anyone reproduce this issue?

Environment

Thunderbird 140.0.1 (64-bit) on Kubuntu 25.10. Neither Flatpak nor Snap; my configured software sources include packages.mozilla.org/apt/ for deb.

/etc/apt/trusted.gpg.d/packages.mozilla.org.asc exists.

The profile was previously used on FreeBSD 15.0-CURRENT, if that's relevant.

Hey all, here's my issue:

I recently switched from macOs to Linux mint and started using Thunderbird again. I have three email accounts.

(1) Business, hosted through godaddy on an outlook/office365 platform (2) private on mail.com (3) private on web.de

Initially, i set up three. Accounts 2 and 3 were fully functional (imap) from the get go. Account one had issues sending emails.

Yesterday I sat down to finally try to solve the issue. In my "turn everything off and on" mindset, i completely reset (or so i though) TB, deleted all three accounts, uninstalled TB, reinstalled TB and set up the accounts again, starting with account 1.

When i finally got it running i realized the issue was a checkmark regarding smtp authentification (also a known problem with office365 running on client software apparently) on the microsoft backend, and not on my computer.

After that was set up, i tried adding my other two accounts. Now, this doesn´t work any more. I get timeouts in the setup process. I tried both, adding through the account hub and without it, it just does not work. All the credentials are obviously correct, so is the imap/server data input. So i think at least.

Thanks for any suggestion in advance.

Thunderbird issues Version 146.0.1 Jan 2026

This is a collection of issues observed in the setup of TB. These have persisted for over 6 months.

1. Subfolders in email folders are not correct. o Specifically, the Drafts, sent or Sent and Archives folders appear in the Local Folders Account and not in the account for the email. It seems that these Local Folder entries follow the email name that is set as the default.

2. I cannot delete these folders in the Local account. Creating new folders in the email accounts does not do anything. 3. I have uninstalled TB and re-installed it, but all the accounts come up the same way. 4. I have imported address books from past savings but they cannot be accessed as an address book. TB sees their names as non addresses. If I retype the names in these to a new address book, I can treat them as a group address as in the past.

It seems that the underlying data base indexing is mis-aligned. Is there a way to re-initialise the indexing to get these accounts in sync?

Peter DeVita Try email

peterd1@devita.com

I have two gmail accounts in Thunderbird- sending from Gmail 2 results a reply that goes to Gmail 1. It seems two separate outgoing server settings need to be used, with the same details but different names. I tried just renaming one, but the other one then adopts that name. Thank you for the help.

i have pop3 account and unchecked leave on server - but greyed and checked out is a 'leave for a maximum' which i have as 1 day, there doesnt seem to be an option to uncheck this? I dont want them on the server which is why i chose pop account. yet when i open web account, the emails already downloaded using the pop account are still there even thoug they were downloaded days ago. Why is this and how do stop this? is there a 'leave copy on server' box to uncheck that I am missing? i want to use pop to remove from server and just use locally but its not doing what i thought it would, which is remove from setver. Also it keeps repeating downloading from years ago so I was hoping that when the server synced it would stop downloading the ones it has already (mulitple times) I made an imap account to try to sort emails that way but it also shows old emails still on server. Should i delet this imap account as I already have a pop account running? Very confused. Help figuring out what to do appreciated.

Every 10 minutes I get an "authentication required" popup from a deleted icloud email account. I've looked, and there are no cookies or data or anything in the profiles folders referring to this dead account.

How do I make it go away?

I received an email stating that I wanted to create a new account. Not so ,not sure how someone was able to so this. Not sure which email I am supposed to sign in at. Bit I have had it for over 10 years. But never had to sign in. So I do not wnat my emails to be deleted, so how do we fix this. I also have donated to Mozilla over the years. I enjoy having it. So where do we go from here

Using Thunderbird 146 on Win 10. Trying to add existing mail accounts as already did in early Thunderbird 17. 1. one pop account (gmx.net) added successfully. 2. one imap account (gmx.net) added successfully. 3. trying to set up further pop accounts of gmx.net end in waiting loop although data check of program is ok. Checked and verified muliple times server data, account and pw.