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Just moved on from Microsoft email. Hadn't tried Thunderbird in a few years and wanted to give it another try. It is all connected and working via an IMAP provider.

Issue is the arrangement of the folders. Sent, Trash, Spam and Drafts are sub folders of Inbox. Not a show stopper, just seems different and slightly inconvenient. Would like to pop those out so they were hanging off the account title. I found a 10 year old article about this that said the arrangement of these folders is dictated by the IMAP server. If this is the case, then I guess it is what it is.

For years I have had two email addresses: - @virginmedia.com and an older @blueyonder.co.uk one - with no problems: POP is set up with the two servers pop3.virginmedia.com and pop3.blueyonder.co.uk. SMTP is set up with smtp.virginmedia.com for both. Everything was sweetness and light. I could receive and send from both accounts no problems.

Two weeks ago, the MF-505 relay refused error popped up when I tried to send an email from @blueyonder.co.uk and has continued to do so ever since. I can receive @blueyonder.co.uk emails with no problems. I can receive and send from @virginmedia.com with no problems. I can login to the virginmedia webmail site with @blueyonder.co.uk and send emails with no problems. Even so, I changed the @blueyonder.co.uk mail app password with Virginmedia just in case; no help. I have deleted the saved passwords and resaved them; no help. I have tried adding an @blueyonder.co.uk smtp outgoing server to Thunderbird even though I never had to before; no help. I have checked smtp server outgoing settings - even though everything works fine for @virginmedia.com. No problems there.

The general advice "out there" seems to be wait and it will resolve itself but it's been two weeks and for what it's worth Virginmedia confirm there is no problems with my account or their services their end.

any suggestions will be appreciated.

I tried the automated setting up - several times but get the error message below, I tried changing the authentication but same result.

I tried the Help here: https://support.mozilla.org/en-US/kb/thunderbird-and-hotmail - but it didn't help!

I have the settings it shows for Outlook - but it doesn't work! When I "Continue" I get Authentication error. Show less

"Unable to log in at server. Probably wrong configuration, username or password.". It hasn't asked for a password.

I can login in to Outlook webmail and receive messages. Please help. I'm not overly technical but not totally ignorant either! Thanks, Isobel

I have now the version 158.01 (64-bit) with Windows 11. My Gmail account only dowloads email like once a day. The server settings are: -Check for new messages at startup -Check for new messages every 10 minutes This started a few days ago, while I had the version 158.00. I have many accounts on Thunderbird, and re-installing all of them would be time consuming. Any suggestion?

WIN 10 independant SSD. (yes i refuse to run 11)

HOW is it posssible in 2026 imprting the contacts/addresses from a prior application is still such a mess?

I have copied, pasted, imported etc and NO CONTACTS. WHY? how does this not work, I have used ai, tutorials etc and still a mess.

I use the native import under tools, Point to my old appdata profile and still nothing.

While i am here,, how in 2026 can the colors still blow? honestly,, why is my email body still 255 white and only the nav colume an inbox changes? Or is it me?

Thanks, Simple Jack

Im not sure what the heck happened about a month or so ago, and I have still not resolved it. I did check on thing that was suggested to me, but it didnt really make much of a difference. After an update at about that time, my email folders I made appeared all wacky in the sense that some folders were grayed out, but still retained subfolders (with their contents) in them. I dont know what that means or why they are grayed out. I also noticed a bunch of folders named Userfolder with a number after that. They contain many emails in each one, like they were removed from the original folder they were in. So I dont know, for most of them, what folder I had them in. Im thinking I can try and match them to the grayed folder they might belong to, but not sure on where some go. I have no idea why this happened, and I have been trying to use Thunderbird since then. Im attaching a photo of what part of my Thunderbird, folders & grayed out folders look like. I just want to know how to correct this and get things back in order. I dont know if I did something in the settings or what. Plus this was over a month ago. Ive just been using my yahoo mail account on the web.

My question can suffice. Once I installed Thunderbird release over the Thunderbird ESR, I have very slow or no access to messages sent before my account was converted to Graph. Confirm?

I have had messages about EWS support being ended from 1st October from the Beonex ExQuilla Add-On which I have been using for many years.

So I installed Beonex's new Owl Add-On which supports Microsoft Graph Protocol and migrated my Email accounts. However, this just renamed my existing account with "Old" at the end and created new ones which cannot connect!

The IT provider for the Email Domain will not allow the Owl Beonex App to connect, despite the ExQuilla one being used for many years!

They have now pointed out that Thunderbird natively supports the Microsoft Graph Protocol from Release 154. BUT I am on the ESR channel (as I need stable Email handling) and the latest ESR Release is 153.4.0esr!

So when will an ESR be released with Graph Support, as Microsoft could stop me being able to receive and send Emails any day as it is now past 1st October???? - Please let me know your timeline for the next ESR with Graph support A.S.A.P.

I do not want to install a non-ESR as I see that the latest Release 157.0.1 fixed a bug with the Graph protocol and 155.0 streamlined the manual account configuration. So I want stick with stable releases!

Also, do I have to add new accounts to use Microsoft Graph, or can I just change the configuration of my existing ones?

If the former, then I guess once I am happy I have all old Emails available (as I rely on Emails going back many years!), I can delete the original Accounts from Thunderbird, including the non-working " Old" ones created by the ExQuilla to Owl migration????

Thanks

I can no longer get emails from my doctor's patient portal through athenahealth.com or athena.com Nothing with "athena" shows up in my email.

I have an email account with a now defunct provider called care4free.net. This later became part of Madasafish and most recently my email service was provided by Plusnet. I was migrated to Greenby at the end of September and followed Greenby's guidance to successfully create a new account in Thunderbird to receive email via Greenby. However this suddenly stopped working a few days ago. When I try to download email I get the message "Login to server mail.care4free.net with username <myname>@care4free.net failed". I tried logging into Greenby webmail and was told to create a new, more secure password which I did. I updated Thunderbird with this password but it is still not working. Webmail is fine. I have tried the Greenby AI support bot but got nowhere. Can someone help please. Thunderbird settings are:

INCOMING SERVER Protocol: IMAP Hostname: mail.care4free.net Port: 143 Connection security: None Authentication: Normal password Username: <myname>@care4free.net

OUTGOING SERVER Hostname: smtp.care4free.net Port: 25 Connection security: None Authentication: Normal password Username: <myname>@care4free.net

Hi,

In my one account in Thunderbird, I still have the old POP folders, that was a different account. I also have an IMAP account, both have the same address. The pop one does not work but the folders are there, I use them to look old mails up, so far so good. When I sent out an email with my IMAP account, the sent mail goes into the sent folder of the IMAP account, so far so good. BUT when I click on that sent mail and click on reply, it replies to the same address that what it already was sent to, now here comes the problem. THAT copy of the mail, I called the NEW sent, does not go into my sent folder. It goes directly into the sent folder of my old pop account. Even though everything on the IMAP account is standard, re-sent mails are not placed in the IMAP account sent folder. What am I doing wrong here, I know when writing the mail is that I can choose the send address and if I change that it goes in the IMAP sent folder but why is it standard on my old POP account, and why not on the IMAP account even though the IMAP is the standard?

For years I had an pop account in my Thunderbird, next to my Imap account. Both live happily next to each other. Today I moved all the mails from my pop account (which was no long active, nor was it connected to a server) to my local folders. I found out that all of my folder were suddenly twice the size. Compressing didn't do a thing. Why is this?

A few times I have missed messages that have have been inadvertently placed in the Accounts Spam Folder. Is it possible to to indicate that the Spam Folder has contents in the same way contents are indicated in other Account Folders?