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After installing latest Thunderbird, I attempted to set up to shadow the existing ATT account which is currently monitored via IMAP on both the web site and my iPhone (in hopes of replacing the web site). The automatic setup option ONLY showed the old POP account which I used years ago on the same email address ([edited] @att.net), so I went to manual configuration, where the default was POP but a dropdown list allowed me to select IMAP. The first attempt was no good, so I checked the settings for Mail on my iPhone (the ATT web site did not display any configuration at all). The hostname was shown as imap.mail.att.net, port 993, security was SSL (I selected SSL/TLS), the auth method was password, and my username was my email address. on the outgoing server, the iPhone had smtp.mail.att.net, port 465, which I copied, SSL/TLS, password, and my email address as username. the Re-test button also found those same settings (green message box).

But the Done button, after a short delay, replied "Unable to log in at server. Probably wrong configuration, username or password." in a yellow message box.

I cannot get any further than this, and have no idea where to turn. Both the iPhone and the web site on Windows 10 still work, with the same password (which I copied for the mail signin, so I assume that is the password which was submitted to the servers, since there was no place to enter any other passwords.

James Allan Richardson [edited email and phone# from community support forum]

I am attempting to install Thunderbird on a new laptop and move personal folders from old to new PC. The installation process finds my email address and ISP information but fails with incorrect password.

Steps - 1. enter user name 2. enter email address 3. install finds correct ISP information 4. accept ISP information without changes 5. enter email password 6. process popup say incorrect user name, ISP info or password 7. login to ATT.NET successfully which indicates to me that the userid and password are correct for email account.

what other information could I supply to assist with problem resolution? I do not know what to do next.

Thank you, Neal

Hi. I donate 20 bucks a month to Thunderbird. Love it.

Was wondering if there is a way to disable the "support thunderbird" pop ups that always occur upon launch.

Much obliged.

Typically if I experience a security certificate exception, thunderbird will popup the certificate exception box, I click to get certificate and am done.

Today I cannot get the certificate popup to appear. which is fine I know where the certificates are managed but I have not a clue how to add a certificate OR what information to enter into the "Add security exception" dialogue box

Any help would be greatly appreciated.

I cannot be more specific I dont know how to name the items that are missing 1 Cant open new email to send 2 Cant download my emails 3 Cant open an address on my new email to be sent 4 I want to reset my factory reset my Thunderbird so I can start to use it again 5 Cannot find my passwords, keep on been refused axcess to my emails

my thunderbird is not working properly and cannot use it, i keep on getting questions by a member of the team but cannot give the excact details due to language barrier

I went into the Settings, under Calendar, and unchecked "Show week number in views and minimonth"

On the main page, my view is the Accounts on the left, the reading and message pane in the middle, and Events pane on the right.

In the Events pane on the right, it displays the date at the top and CW ##.

I would like to remove that CW ##. If the option I unchecked does not apply to the events pane, can you make another option to does remove CW or make it the option I unchecked work for that also?

See screenshots.

Hello. In Thunderbird 128.10.1esr (64-bit), when I click on an email to view, and that email has an attachment, an error pop-up occurs that says "No Apps available" and "No apps installed that can open..." This occurs for the number of attachments I happen to have in that email. So 3 attachments, 3 pop-ups.

First, I haven't even tried to open the attachment yet, I'm simply viewing the email. Secondly, if I cancel out the error pop-ups, I can still open the attachments in my default programs.

Any help on how to fix this (or turn it off) would be greatly appreciated.

I have not installed older versions of Thunderbird to see if it would go away, though I suspect it eventually could as I didn't always experience this. I did also update my Linux distro fairly recently, but it was after this started occuring.

I'm using Linux Mint Cinnamon 20.3 and flatpak to install/update Thunderbird

As of today, I can neither send nor receive email for my imap accounts - imap.gmail.com and imap.mail.yahoo.com. I have Thunderbird 128.9.1esr(64 bit). They both work outside of Thunderbird. Notification reads: Authentication failure while connecting to server ... where ... is each url above.

I have Version 128.5.2esr (64-bit), it says it is up to date.

So I've been noticing a couple of days now that I can no longer view messages in the message pane to the right of the screen. When I click on an email in the list on the left, the top of the pane on the right shows me the To, From, subject etc, as well as a yellow bar saying "Warning: To protect your privacy, Thunderbird has blocked remote content in this message." Then, nothing underneath this. Where it used to show the email contents. I do NOT want to have to double click every single email in my inbox to look at them in a separate tab. Most of what I get is not useful. I want to be able to click once and preview the email, then click Down to check the next one, and on and on the same as Thunderbird did it LAST WEEK.

Can someone help me get it back to working please? Thanks!

I recently posted a request for help which was; Hello, All of a sudden when turning Thunderbird on, I have found that all messages in my Inbox have gone ( except a few for last day or two). Looking around Thunderbird I have found all Inbox emails have bee dumped into my Trash folder! Please help - how can I get emails back where they belong and get Thunderbird back into working order? Very grateful for any help' Thank you, kindest regards Brian Benger PS where will I get your reply if my email not working??

I had two replies, one was from Wayne Mery who asked what version of Thunderbird I was using, my answer to that was 128.10.0est(64bit). the second message failed to transfer from my mobile to computer because I suspect to my problem above.

So sorry to reply like this I could not find how to reply to very kind replies I received Kindest regards, Sprite (Brian)

Does Thunderbird have a list on the number of members you can add to create an email group. I seem to only be able to add 7. Is it possible to create a larger group - e.g. up to 50?

I've inadvertently made some change to 'Open with' so that when I add an attachment I can not open it within the email I'm sending. It opens for the recipient but not for me. When I click on the attachment nothing happens. It doesn't occur for all attachments but it seems to be for any attachment requiring 'Photos' as the option to open. Can you help please?

Hello; Windows 10 & current version of Thunderbird. I am trying to add Messages Filters to filter out spam (getting more and more of that!) but the "OK" button on the add message filter is below the bottom of the screen. The window cannot be raised or resized to make the button visible. Photo below. Moving window does not allow me to raise window above top of screen. Keyboard (Alt-Enter) / Move will not work. Changed windows screen size just makes window larger but button still below bottom of screen.

Non-functional work around. Highlight Message name. Press Shift-Tab TWICE. Press ENTER. UGLY!

Tech since DOS 3.0

Thank you for your time and attention.

When I try to add a new email account, I'm told that either my username or password is incorrect. This isn't true. I can log on to webmail using the same credentials.

How can I solve this problem?

I just installed Thunderbird on a second computer and I'm having serious issues with my email. The install recognized me without having to log in with my password. However almost all the emails are missing with the exception of one folder called Trash. There is nothing in the inbox and no sub-folders are showing. I logged out and then reopened Thunderbird and again it opened without asking for my password. It's very strange and alarming quite frankly. Everything worked quite well on the first computer so what gives with fiasco? Unless somebody comes up with a solid answer and fixes this, it will be the last time I use Thunderbird. Patrick

I installed Thunderbird 138.0.1 (64-bit) on a Win 11 desktop computer yesterday and the column headers for the messages are not displayed. I have View/Headers/All, View/Layout/ Classic View, Folder Pane, Message List Header selected. How can I get access to the message column headers to display them and later select the ones I want ?

Thanks, Corey