Thunderbird Support Forum

Cox.net is transitioning from in-house e-mail to e-mail handled by Yahoo.com. Our cox.net addresses are supposed to (and apparently have) transitioned so that they still work, but are processed through pop.mail.yahoo.com.

It is my turn to be transitioned and I have been successful in doing so to the extent that I can send and receive using my address(es) ...@cox.net through Yahoo web mail and on my Samsung phone. I have not, however, been successful in either sending or receiving mail using Thunderbird on my desktop.

I have been successfully using Thunderbird with POP settings for years with four different cox.net addresses. [I'm currently just trying to get two of them working -- unsuccessfully.]

I am using Windows 10 on a Dell desktop. I am using Thunderbird 115.9.0 (32 bit). I have reset the POP and SMTP settings as directed by Yahoo. One of the errors I receive is: "Error with Account .... Sending of password for ...@cox.net did not succeed. Mail server pop.mail.yahoo.com responded (SYS/TEMP) Server Error - Please try again later." It then asks me to retry or enter a new password. I have checked the passwords saved by Thunderbird and they are correct.

I suspect, that with all the Cox accounts being newly routed through Yahoo servers that I am not the only Thunderbird user experiencing this problem. Does anyone have any suggestions? Is it likely to help if I uninstall and reinstall Thunderbird? Would I loose all my mail, etc. if I did that? [I did the delete and add account in my phone and that was successful, but I wasn't concerned about losing mail there as it is all on my desktop.]

Thanks in advance. billb1111

I've provided all of the other data, no problem. But the <Your login> field has only "YOURDOMAIN\yourusername" in it as a format hint. The field carries an Info symbol, but it's greyed out.

There are many possible domains, e.g. microsoft.com, office365.com, outlook.com, each with possible 3LDs, and the domain-name of the organisation that provides my account.

The most obvious (MYORGDOMAIN\Roger.Clarke) gets the error-message: > Authentication failed. Please check the username and password. (I checked, and they're the same as I use for a webmail login there).

Leaving it empty gets this error-message: > Unable to log in at server. Probably wrong configuration, username or password. (That about covers the possibilities then ...).

All of a sudden all of my Comcast accounts are receiving the message: "Alert from account XXXXXX: Temporarily blacklisted IP Address - Try again later". Contacted Comcast and elevated all the way up to the top technical group and was told it was a Thunderbird issue. Tried resetting passwords, etc to no avail.

Thunderbird updated to 115.10.1 (32-bit) and I cannot see any emails now. I use View > Folders > All. If I run a search, TB lists the emails. Have tried opening in Troubleshoot mode but still same, no emails nor inboxes. Windows Security Ransomware turned off for preparing for maintenance prior to TB updating itself. How should I go about fixing issue?

Windows 11, 64 bit Addons: Cardbook, Provider for Google Calendar

Hi. I have used Thunderbird for a long time. I have never had a problem accessing my hotmail account for emails. Overnight Thunderbird now posts error message boxes when trying to login to the hotmail server. It reports incorrect username or password. Neither has been changed by me and comparison with Eset Password Manager shows them to be correct. I can login to Outlook online using the same login credentials an get my emails that way. I have also changed my Outlook hotmail password while logged in in my browser and updated everything on the PC to match of course.

I have massaged the server Settings for hotmail and have had the system working again, for a while. Twice I have reset the settings to a different server and back again and that seems to clear the problem for a while. Then the error messages switch on again consistently. At this moment using "File" -> "Get New Messages For:" -> "Hotmail" works without any problem and the automatic scheduled checking reports "No messages to download" so it appears to be working. But that is after just coming back to my PC to find a string of failed attempts, each with its own error box, which have appeared since I last "fixed" the problem and assumed it was now fine.

My server settings are Type: POP; Name: pop-mail.outlook.com; Port: 995; Username: same as for browser access (which works); Password: As in Thunderbird's stored passwords matching Password Manager and working browser access.

In my paranoia I have even wondered if I am being locked out by Microsoft somehow. Can anyone suggest what is going on here?

I can't receive emails at any address from those in Thunderbird. I have several addresses, some in Gmail but not all. And in each of them I get this message: The STAT command did not succeed. Error getting message number and sizes. Mail server pop.gmail.com responded: [AUTH] Invalid credentials. I am using version 115.5.2

when I try to send an email you ask for a pass word for jojack@dslextreme which I havent had for years

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I have Thunderbird 115.9.0 64 bit on the 2nd latest version of Ubuntu Linux and by second latest I mean it is still supported even though there is a new version available. Several months ago there was a password problem with my internet account preventing me from logging into my internet/email service and all my devices could not send or recieve emails. I changed my password on my cell, my Windows 10 computers and they worked fine. My Thunderbird on my Ubuntu on the other hand rejected my password and I also checked all of my port and server settings with the help of my internet service provider tech support including comparing settings from other email clients. Still no password being accepted. My internet/email service provider tech agent suggested removing my account from my client and reentering it and this worked.

Several months later I changed my main email passwords again on incoming mail and outgoing mail servers on my account, verified my port settings are correct, which they were including the type of security and protocols used. When I select the desktop icon I get prompted to enter my main password and hit enter and the window keeps reoccurring as if it has rejected my password. I select cancel allowing me to enter and again clear and reenter password and again it is rejected. I removed my account (I think) and go through the motions of reinstalling my account and get a pop-up indicating the server already exists which puzzles me. Ports, security settings, password are all correct and tested on other devices. I can even use a browser and log onto my internet service providers server and access my account and my password works but not on my Thunderbird. Should I consider uninstalling and then reinstalling my Thunderbird on my Ubuntu? I think by mistake I deleted all of my emails BUT I have selected IMAP so my emails I want are still on my service providers server. IF I uninstall and reinstall how do I save my contact list. This I Inoticed is still intact. Suggestions please?

I am getting the Mozilla Thunderbird Email wants to access your Google Account all the time while using TBM, I have removed the gmail account and the pop up does not show, so I know it is for the email account just removed. I re-add the email address and enter the email address and password and let it find the config itself. Click Done, and get the Mozilla Thunderbird Email wants to access your Google Account again, then click Allow and get the Authentication failure while connecting to server imap.gmail.com. message in the bottom left of my desktop. How can i get gmail to work again please.

I like to have newest emails at the top of the list rather than bottom. I have just moved 30GB of email data to TB from 20 yrs on Mac Mail. Hooray!

I don't need to explain how many local folders I've got, and the pain it will be to sort every folder manually!

Please could someone advise me how to force all folders to sort by date/descending? thanks

when clicking an email link this is shown

"Thunderbird is already running, but is not responding. To use Thunderbird, you must first close the existing Thunderbird process, restart your device, or use a different profile."

How do I make Thunderbird instead open a new email?

This is on Fedora

I wish to try K-9 Mail on my Android - eventually I want Thunderbird. When I start K-9 it offers me "IMPORT SETTINGS" and then says CHOOSE FILE. What file(s) do I need to bring over from my Thunderbird profile to get 1. the address book(s) and 2. the email account data?

Since Thunderbird updated to 115.7.0 yesterday, I can see message headers for new emails, but not the message content. Messages received before the update appear normally. When I click on a new message in the inbox, it will say "loading message . . . " , but then it does not actually load the message, and the message pane is entirely blank. Not getting any error messages. What do I need to do to get it to actually load the message?

Some hours ago my iCloud account stopped working on Thunderbird; I already tried re-entering the password, deleting and trying to add the account again, but it isn't letting me add it again, my account is working fine on all Apple devices and I have access to the mail on browser.

I've tried using the main iCloud address, the "alias" address, and using the real password as well as the unique "App Password".

Thunderbird version is: 115.7.0 (64-bit)

I have Thunderbird set up with two email accounts. Until today I han problems with outgoing or incoming email and had saved passwords. All worked fine. Then I had to change my internet modem and somewhere along the line my incoming password for one of the two email accounts got deleted. No idea how. So I went into Settings and deleted all saved passwords. After that I sent a test email for both accounts and was able to re-save my passwords. But when I "Get Email" for either account, nothing happens. No email arrives (there are new emails on both accounts if I check via webmail). But I also am never prompted to save a password for incoming email (mail.comcast.net) for either account.

Why isn't Thunderbird prompting me to save the incoming password, and how can I manually enter a password? I'm baffled and at wit's end.

Thank you!

I accidentally deleted a fairly large email, namely 3GB in the Thunderbird application, but when I checked in junk/trash the deleted email didn't appear. When I checked locally there was a file called Trash (no file format) with a size of around 3GB and in it there was an email which I deleted previously. How do I return the email back to the inbox?

Somehow my Thunderbird email password was changed and I didn't do it. How do I reset my password? Email [edited] @sbcglobal.net when or if you have an answer. Thanks.

How to get the URL for a specific Label from Google cardDAV to import into Address Book of same Label?

This is the GENERIC url for the DEFAULT gmail contacts sync:

https://www.googleapis.com/carddav/v1/principals/username@gmail.com/lists/default/

Is there a way to customize this URL to get ONLY the LABEL from the entire contacts list?

For Example:

https://www.googleapis.com/carddav/v1/principals/username@gmail.com/lists/default/"labels" https://www.googleapis.com/carddav/v1/principals/username@gmail.com/lists/"labels"/

We spend an inordinate amount of time organizing our business contacts and it is exceedingly difficult and time consuming to try to synchronize because all we can apparently access is the ENTIRE directory, not specific sub-categories.

When creating new account Thunderbird hangs on "Checking password..." When I click on "Configure manually" and then click on "Done", I get the message "Incoming server already exists". But, the account is not in "Account Settings". Additionally, it is not in "Outgoing Server". I had this email account before and removed it. Please help.

I have been struggling with this for months. I really like Thunderbird but I have tried everything. Receiving emails works fine, it is just the SMTP that hangs. I will have to abandon this and go to outlook if I cant resolve. It Does eventually go but it takes a couple tries. The examples given, I resent and it was fine.

Running: Time of this report: 11/2/2023, 07:29:33

• Machine name: DMF1
• Machine Id: {B975F495-EF2D-485D-BE61-50AC33ADAE65}
• Operating System: Windows 11 Pro 64-bit (10.0, Build 22621) (22621.ni_release.220506-1250)
• Language: English (Regional Setting: English)
• System Manufacturer: Dell Inc.
• System Model: Inspiron 3580
• BIOS: 1.25.0 (type: UEFI)
• Processor: Intel(R) Core(TM) i3-8145U CPU @ 2.10GHz (4 CPUs), ~2.3GHz
• Memory: 16384MB RAM
• Available OS Memory: 16258MB RAM
• Page File: 10308MB used, 8381MB available
• Windows Dir: C:\Windows (Windows 11)
• DirectzX Version: DirectX 12
• DX Setup Parameters: Not found
• User DPI Setting: 120 DPI (125 percent)
• System DPI Setting: 96 DPI (100 percent)
• DWM DPI Scaling: Disabled
• Miracast: Available, with HDCP
• Microsoft Graphics Hybrid: Not Supported
• DirectX Database Version: 1.4.7

I have avast! AV (All Exceptions For Program and Ports) EMAIL Server Office365