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Not receiving GMAIL account messages.

Cannot send GMAIL account messages

Recently started receiving this error message.

"Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: Try again later, closing connection.. " -- This is the full message on screen.

Have tried all the standard "fixes" suggested on Mozilla-related help sites.

Even tried AI solutions. None work.

This happened about a week ago, as well.

Then, a couple of days after, Thunderbird came good and was working as it should.

Come this Monday, it's stopped working again, as per last week!

Is this a GOOGLE issue?

Nothing is working to solve the problem.

Now stuck with no email function on Thunderbird (Desktop PC Win 11)

NOTE: occurs on my Apple IOS, using MS Outlook, as well?!?

So I have a self hosted Exchange and I have no problems using it from apps like Google Mail, Outlook and such, plus I can login directly to its .../EWS/Exchange.asmx through a browser. However, when trying with Thunderbird 145/Linux, I always get that username or password are incorrect, but it doesn't tell me exactly what went wrong and how it tried, so I'm in the dark why it is happening. Note: exchange's url is on a different domain than my account.

Basically it's either this message: Authentication error.

Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIMsgAccountManager.createIncomingServer]

Or similar if I try to get message from inbox.

Also weird things happen during configuration, like attached image (note that I've tried different URL permutations)

TLDR; how do I diagnose the issue, or ever better, how to connect? TIA

This morning I was receiving e-mails in TB as normal. This afternoon my e-mails have stopped (sending/receiving) and I have seen a message " Connection to server pop.virginmedia.com was reset. "

I have tried turning the PC off and on - no effect. In FireFox I can connect to web pages as normal but my e-mail has stopped working. A couple of days ago I changed my Virgin router but only now has my e-mail stopped. I can receive e-mails on my Kindle but not on my Windows 11 PC.

How can I reconnect to the internet, please?

Thank you,

Tregarth

On January 13, 2025, Thunderbird was changed in a way that made it not function with Optus.

Please give me very precise instructions on how to make it work again.

I have donated to Thunderbird's development, but have not used it for 10 months because of this problem.

I cannot often download emails via a hotspot. Sometimes one or two will come, then it will just stop. I get two different error messages. Most of the time I start with the "Home folder is being processed," then it will refuse to write to the disk. I have no issues at home or on wifi, only with a hotspot connection.

Since we frequently camp where there is no internet, this is a bit of a bother. This is xfinity email over a tmobile hotspot. Thanks for any hints.

I suddenly this week cannot send email using Thunderbird (v. 140.4.0esr (64-bit)). I receive email fine. I can send email using webmail with my provider. Error message in Thunderbird is: "Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: resomta-h2p-555359.sys.comcast.net resomta-h2p-555359.sys.comcast.net ESMTP server not available (62240/216.183.125.238)." My provider says the issue is not at their end because my server settings are correct. Outgoing SMTP port is 465, connection security SSL/TLS. Operating Windows 11 v. 24H2.

Hi I get an error message that says "The connection to the pop3 server has timed out". What do I do? I haven't received any emails since wednesday at 3:14 PM. We use an email account fra a company called Yousee. When I check the server connection all info is correct. Please help as fast as possible as we use the mail every day in our company.

Best regards, Rikke

I can't get into my email. It is Mozilla Thunderbird. I had lost connection with the Internet. I called a man who works on computers. He said a cable was not attached. he re=attached it and left. Now I cannot access email. Virginia Taylor ginny.taylor1943@gmail.com

Hello Since last update (145), I'm experiencing an issue where Firefox becomes unable to access the internet following a temporary loss of connection during the normal use, until I completely quit and reopen the browser.

I'd appreciate any advice on how to resolve this.

Thanks

We are about to switch from one internet provider to TMobile. Will I have to do anything in order to maintain my email through Thunderbird? I am clueless. After many months, I just got Thunderbird working again and don't want to lose it!

I have found that over the last several weeks when trying to access sites that are local on my network from my iPhone or iPad like Jellyfin, Proxmox for example, that after every time I restart my device I will have to go into Settings and disable then re-enable the Local Network access setting for Firefox for it to load the site correctly. I do not have any issues getting to the sites when using Safari. This issue was first noticed in iOS 26.0.1 and has continued now that I am on 26.1. Firefox is currently on the latest version and has been updated many times throughout the weeks within a couple of days of the updates releasing. I do not have this issue when using Firefox on macOS.

-iCloud Private Relay is disabled completely for my devices. -Limit IP address tracking is turned off for my network. -Allow cross-website tracking is disabled in Settings for Firefox (and has always been). -Custom DNS servers are set at the router and issued directly. -I have signed out of Firefox, uninstalled the app and reinstalled a couple of times now with no changes.

11 Nov. I am unable to send or receive e-mail using Thunderbird. I have a gmail e-mail address. When I want to open Thunderbird, I am required to log in using Google. This has just been the case for a few days. Previously, I never had to do this.

It does not work. I cannot log in using Google. I get "Error message 400".

My account settings are: outgoing server smtp.gmail.com incoming server: imap.gmail.com Port: 993 connectivity security: SSL/TLS Authentication: 0Auth. Is there something incorrect in the Account settings?

Sometimes I get a message saying "Authentication failure while connecting to server".

I saw something on line about Troubleshoot Mode for Thunderbird, but I can't get there.

I desperately need to solve this problem. I have used Thunderbird for many years, and have a lot of data in Local folders. I do not want to lose all this data. Thank you.

Yesterday, my ameritech.net email stopped working in Thunderbird. I get an error saying it's unable to log into the server. The email account works from outlook, and from a web browser, so I know I'm using the right password. I've tried it on more than one computer and it's only Thunderbird that is having the problem. It's working with my gmail account. Any help would be appreciated.

Every time I open thunderbird I get a blank screen with this message, 'Edge: Too many requests' over the top of the thunderbird screen. This screen stays on my desktop after I close Thunderbird and I have to change my screen resolution in order to close the screen. Can you help please? Martyn Smith

I have been using Thunderbird to download my mail from Yahoo for a long time without incident. Now I keep getting the message "Edge: Too Many Requests" as a response when trying to download my email messages (see attached file). I waited 24 hours and then tried again but still get the same message. I am able to log on to Yahoo on my desktop and see my mail without a problem. Is there something that needs to be cleared or reset in Thunderbird? My other email accounts in Thunderbird work fine. Any ideas would be helpful.

hello Suddenly 2 days ago, when opening Thunderbird, I have a message saying : the connection from the server imap failed with the user name name@neuf.fr I tried twice to re-install Thunderbird and I also tried twice to change my password : neither was successfull But when I go to internet on the sfr mail site, the connection is successful... I'm lost... Thanks for your help if possible Christine