Thunderbird Support Forum

Hi I have been having issues with my Thunderbird emails which would not send or be received. Now I can send but not receive.

Whenever I use it or open it I get one consistent error message as follows:

"Could not connect to mail server mail.transitioncoachingbedford.co.uk, the connection was refused"

And on sending emails I get a pop up error that says:

"your message was sent but a copy was not placed in your sent folder due to network or file access errors".

I've turned the firewall off, I've uninstalled Thunderbird and re-installed but can't fix. I've read through suggestions for fixes on other issues that sound the same but am not at all computer minded and don't understand most of the suggestions.

Can anyone please help as this is my business email. I've got access to the emails on something called RoundCube but not sure what to do.

I am having trouble manually configuring an AOL email account (username@verizon.net). AOL's instructions say to manually configure the account. I tried to do that twice, once with IMAP and the other with POP.

Now, I have two email folders in Thunderbird that I cannot use. They are both empty because I get a message box that says "Login to server imap.aol.com with username@verizon.net failed." when I try to use them. When I use the same login credentials to login to the website mail.aol.com, they work.

I have to contact AOL as to why when I try to access the account with an email client (Thunderbird and Outlook) I'm getting password errors. In the meantime, how do I delete the two email folders created incorrectly in Thunderbird?

Thanks for your help.

Я не могу зайти в свою почту на Thunderbird - при входе выскакивает ошибка -на скриншоте прикрепил - до этого я заходил без проблем - пароль и логин вообще ничего не меня - просто в один момент перестало заходить Так же на втором скриншот видны настройки входа- прошу помочь.

Not used Thunderbird for about a week as was away. On my return I am now getting duplicate downloads every-time I open Thunderbird on my desktop using Windows 10. I am on Thunderbird version 115.12.2. I have been using Thunderbird for a long time and this is the first time this happened.

I recreated the global-message-db.sqlite indexfile, turned off my anti-virus, compacted folders but nothing solved the problem.

However I did find a similar question on this site with a solution which wasn't exactly the same but lead me to investigate the Mail folder in my profile. I see I am getting duplicate pop.gmail.com folders (pop.gmail.com, pop.gmail-1.com, pop.gmail-2.com, etc.). I guess that is probably connected to the problem.

When I open Thunderbird I also get the message 'Connection to server pop.gmail.com was reset'.

Any help would be appreciated. I didn't want to delete any pop.gmail.com folders without expert advice.

Thank-you in advance.

I got an email from Microsoft saying my Live.com or Outlook.com email accounts won't be supported in Thunderbird UNLESS I change the settings to OAuth2 in incoming and outgoing server settings.

I even REMOVED the email account and re-added it making sure it was OAuth2.

But for my live.com & outlook.com email accounts I continually get prompts for passwords from Thunderbird. Sometimes I can't even click the RED X at the upper right to shut the prompt down. I just happens over and over until I give it what it wants.

I am tempted to shut down all Microsoft email accounts and switch to Gmail.

I have Thunderbird version 115.12.2 (64-bit) I used Windows 11 23H2 build 22631.3810 Windows Feature Experience Pack 1000.22700.1020.0

Any idea how to stop these prompts?

I like Thunderbird much more than any other email program I have ever used, and would like to keep it

IF I SEND AN EMAIL TO MYSELF, JUST ONE WORD AS A TEST, I HIT "SEND", AND IT IMMEDIATELY GOES AND ARRIVES, AS PER NORMAL. FINE. IF I SEND EXACTLY THE SAME ONE WORD EMAIL TEST TO, FOR EXAMPLE, MY WIFE, OR ANY OTHER INDIVIDUAL RECIEPIENT, IT TAKES A LONG TIME TO EVEN SEND. I GET A PROGRESS BAR AS IF I WAS SENDING A LARGE RAW FILE OR SOMESUCH. LIKEWISE IF I SEND THE EMAIL TO ME AND CC IT TO ONE OTHER PERSON IT TAKES AGES TO SEND. ONLY AN EMAIL TO MYSSELF ALONE WORKS AT THE USUAL SPEED. MY BROADBAND SPEED IS FINE. I HAVE USED THUNDERBIRD FOR YEARS ON DIFFERENT LAPTOPS AND DIFFERENT COMPUTERS WITHOUT THIS ISSUE. I DO NOT KNOW WHAT TO DO, CAN YOU HELP?

I'm on MacOS Monterey 12.7.5 with Thunderbird 115.12.2 (64-bit). I noticed two problems. First, the message Window cannot be moved to a different location. And second, the "ToolBar" with the "send" button is missing in the message window. I can't recall what I did to cause these two problems. Question: Is there a fix for my problem? Any help is appreciated. Thanks. Roger

I have received an email from Microsoft informing me of changes to its authentification procedure. As from Sept, to continue using Thunderbird to access my outlook/hotmail accounts, I have to change the authentification method to Oauth2. The reasons and changes required are detailed here: https://support.mozilla.org/en-US/kb/microsoft-oauth-authentication-and-thunderbird-202 I have 2 problems. 1. imap-mail.outlook.com - I can change my authentification method to Oauth2. However, when I then try to access my mail via TB, I get an error stating that the server imap-mail.outlook.com does not support the authentification method! (see image) 2. Outgoing Server SMTP There is no Oauth2 option available to choose!

Can anyone help? I am using the most up to date version of Thunderbird 115.12.2 (64-bit).

I'm a writer. In keeping with the Law of Primacy, my first work is usually my best work (after a few tweaks). I recently had to write an email response to someone for the Darling Bride and me.

I waxed poetic and wrote an incredibly diplomatic response to a most unpleasant situation. After completing the entire message down to our signatures, I selected "File" and "Save" to make sure it was all saved in the Drafts folder. That way, I could open it on another device and read the draft to her.

Imagine my shock when I opened it, only to find that the draft stopped in the middle of a word - while I was correcting a typo - and didn't save anything after that! Frantic, I went back to the computer I used to write it, hoping the entire email was at least saved locally. Nope! The draft stopped in the middle of the message, even though I had saved the entire thing.

Perhaps this isn't high priority for a lot of users... but for those few of us, it's a critical, fatal flaw that has to be resolved. I can't even imagine that I did anything wrong: I saved the message before exiting; and opened to find half of it missing. I love the idea of Thunderbird and its privacy features, compared with the data-mining big names. But I can't afford to lose data! This was a personal response, thankfully, and not related to my work as a writer and author. However, I have to trust my email client with the data I save to it. Any hints to prevent this are greatly appreciated.

Thank you in advance for any help. I am using Thunderbird 115.12.2

I'm on IMAP. I having a working knowledge of Thunderbird, but not a whiz by any means.

Since I have both personal and business emails, I keep them historically. I delete what I don't think I'll ever need to refer to.

When my email storage, gets into the 90's, I get nervous. I go through and delete as many emails as possible, and sometimes manage to get the percentage to go down 1 percent.

So... I'm a little confused. I thought that perhaps this was syncing with the Comcast server, and that the percentage was not for any Thunderbird storage. Is Thunderbird storing on another server?

What should my settings be, so that I can maintain all my email on my computer? I don't need to store it on any server. I'm afraid to make any adjustments for fear of losing email on my computer.

Is there someone who can walk me through this process in steps I can understand? LOL

I know I am set up with IMAP.

Thanks so much!

Wayne

Hi. A previous thread was archived on this (https://support.mozilla.org/en-US/questions/1418749) but it is still an issue in 115.12.2 (64-bit), macOS.

1. Turn on Unified Folders.
2. Mark the unified Inbox as a favorite. It appears in favorite folders.
3. Restart Thunderbird.
4. Other favorite folders still appear, but Inbox is gone. It is still marked as a favorite folder however.
5. If you toggle the unified Inbox favorite on and off, it reappears.

I wish to access my emails through Thunderbird (in addition to Zimbra) . On a previous computer I had both providers working side by side without difficulty. However my attempted download of Thunderbird is thwarted by the message "you are about to override how Thunderbird identifies with this site. Legitimate banks, stores and other sites will not ask you to do this".

My further investigations online suggest I should "check where my email is posted (My broadband connection is with Shell Energy) and if in the same domain as the mail server, create the security exception".

I am not sufficiently computer literate to understand all this and Shell Energy say they cannot advise me. I do not wish to lose my existing email access via Zimbra and wish to continue using my email address. Would creating the security exception solve the problem and enable me to get both email services together?

With thanks, Patrick Palmer

Hi, I’m trying to move from Outlook 2003 to Thunderbird 115.12.2 (64-bit). Using the import wizard fails. Tools > Import select Import From Outlook and the following message appears. “Either there is no default mail client or the current mail client can not fulfil the message request”. I’m taken back to the Import from screen with the addition of a red panel with “No Profile Found” on it. Outlook 2003 is the default e-mail client, checked more than once. I’m trying to migrate to thunderbird so I have no account setting, thinking they would be imported. My pst’s files have been moved to a directory on a different partition to the Outlook programme, tried creating a dummy profile using default Outlook storage and still fails. I’ve looked at converting pst files to mbox, but this doesn’t see to include the account settings. But I could add them manually or I can not import the mbox files or directory structure into Thunderbird. I’ve been messing around trying other things but nothing works. Internet searches, Thunderbird forum searches suggests solutions but all fails and the steps don’t match Thunderbird menu, etc in many cases. I’m stuck. Can anyone give any advice on how to migrate from Outlook 2003 to Thunderbird. Tools, Add-Ins or manual methods, anything just to get me up and running. PS I’ve two pst files, one is the default main Outlook.pst and the second a secondary store I created in the folders of Outlokk called Store.pst, beside the none default storage location everything else is standard for Outlook and Thunderbird.

In Thunderbird, I would like to use Cards View, and sort each folder in my email account according to desired 'Sort by' settings (namely, sort by date in descending order and use the 'unthreaded' option).

I cannot locate a setting or an option to apply the desired sort settings to all folders in my account. Rather, it appears I must manually apply these settings to each folder, which is tedious given I have a large number of sub-folders in my inbox folder.

Is there a way to apply the settings for one folder to all others, or to change the default settings for each (existing) folder?

AOL emails won't download to TB. POP. Spent hour and a half with AOL help, reset password, checked everything, got recent emails downloaded, but still can't connect for new mail. 'Server Error" " Log-in Failed" etc. Sending mail no problem. They say TB issue. Sudden stop 6/21/24. Mozilla help site directs me to find things on PC that I can't locate or understand. Not very tech-savvy, pretty frustrated.

I've been using Thunderbird for my hotmail.com and cox.net accounts for many years. Recently cox transitioned to yahoo.com with their email and users had to transition over. I was able to do this for 5 accounts - no problem. My hotmail.com was a bit more of a challenge but I was able to get it to work. Last week I started getting sign-in errors. Nothing worked and I deleted my hotmail.com address in Thunderbird figuring it would be better to just start over - wrong choice. Now I cannot even install my hotmail.com account on my Thunderbird.

I first tried the straightforward approach. Get an app password from my Microsoft account. Nest I it account actions, add email account. I added my name, email address and app password. When I hit ok a message quickly flashed saying configuration doesn't work. When I done I get a message that server already exists. I tried going to manual configuration and changed to normal password but got the message again that server exists. I went to the Outgoing server (SMTP) list but the outlook server doesn't show up.I tried using the hotmail password instead og the app password with same results. Finally I logged out of Thunderbird, turned off the two party requirement in Outlook and again tried to add the account to Thunderbird. Now I get the message 'could not get issuer fot oauth2 authentication'. I next went into manual configuration, turned authentication to 'normal password' the the hotmail account installed.

I closed Thunderbird and started again. sent a message to the hotmail account and had to reenter the password - works. Tried to send a message and was asked againgn for the app password - then it works. So all is good except when I check the server settings for smtp and IMAP, ot shows 'normal password' After strugglig for two hours I do not want to risk changing them to oauth2. Checked under 'saved logins' and the app password is shown. Is it likely that I have arrived at a stable solution? What am I risking by having the 'normal password' authentication?

System specs below. Thunderbird is set with 1 account: A paid Yahoo email, with a LOT of messages (well over 36K), using IMAP (Yahoo only lets the most recent 10K come down via IMAP, sadly). Most emails do download and are correctly rendered. But around 10%, starting usually a month or so back from the high water mark of last update, show email source code (text of headers, mimeparts, etc.) for a totally different email than the one highlighted (a few days later, different sender, etc.) Checking the message on Yahoo, it renders correctly. There is no pattern to the corrupted messages: they can be from mailing lists, company marketing mails, an alert from my local town, whatever.

Once the error occurs, it is consistent across Thunderbird shut-and-restarts (still showing same wrong email source as before). Emails to either side (earlier and later) render properly in the message pane.

Double Clicking the message to it's own child pane renders a pane with Subject and From as blank, and the same email source text for a different email. Forwarding the email puts the email source code in as text (I was hoping the act of refreshing and reformatting might grab the correct content, but no).

Doing a Repair Mailbox (which seems to mean "download headers again, then download all the mail again" does seem to correct for a time (including the previously corrupted emails now rendering correctly)... but within a day or two, a new crop of messages will be corrupted, and the dance starts again.

Windows 10, 64 bit. Norton 360 set to exclude all mailbox directories. Thunderbird 115.12.2 (64-bit), though this has been happening since 110. No plugins, no extensions.

Are there diagnostic logs or other info I can share that can help us figure this out? I really like Thunderbird, but it's just unusable here. Outlook, Apple mail, other tools don't seem to have this problem.

I have seen some posts on this request but unsure if anything has been done to add/use if already there a feature to make an email account "inactive". I have several email accounts set up in Thunderbird but do not use them much but don't want to delete the account but don't want to have to have them active either. Any update on this issue is appreciated.