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Hi, a long-time Thunderbird user here using 140.11.1esr (64-bit) Thunderbird for Linux Mintmint-001 - 1.0 with e-mail set up as IMAP for a hotmail.com e-mail.

I'm having (and always have tbh) had problems with saving only one copy of "Sent" e-mails and it's driving me scatty. In "Thunderbird setup" for my hotmail.com account, I always de-select "When sending messages, automatically Place a copy in "Sent" folder" as I know my Hotmail account does that and then Thunderbird will pick that up to store locally as part of the IMAP syncing. I get, as expected, only one "Saved" copy which is fine.

Then, for no apparent reason, I suddenly start to get duplicates even though the "de-select" is still there in Thunderbird setup for the account. The cure seems to be to select it as if I want 2 copies and send myself a test e-mail, then de-select it again so I only get one at which point I only get one copy again. It then works fine for weeks (or months!!!) then, bang, 2 copies start appearing again with nothing (seemingly) changed.

I also have a gmail.com account set up as IMAP which never changes - I've always only ever got one "Sent" copy as expected. Clearly, this points to some sort of weird Thunderbird/Hotmail config issue which is odd as the "mechanics" of Thunderbirds internal handling of copies should not be affected by the remote e-mail and yet the issue is with hotmail.com but never with gmail.com accounts. As a Comms/Radar engineer it's really got me!

Anyone else seen this and, if so, are you able to tell me what's up? What am I doing wrong? It's very odd. Cheers!

I finished building my Linux PC yesterday. I got Linux Mint, all that good stuff. But when I try to log into Thunderbird Mail with my iCloud account, it says it's in the database and I select IMAP and then it says "Unable to log in at server. Probably wrong configuration, username or password."

All of a sudden, I go to send an email on one account. and Account I use on people I do not trust yet, And ALL OF A SUDDEN, the email is put in my Most protected email account, as sent. And when I LOOK, the sent email has BOTH emails as "FROM". Talk about insecure and a violation.

Now my IMPORTANT and PROTECTED email is out there with people I don't trust so much. Thanks. Is it from a recent Botched Update?

The work Ahead is gonna kill me .

I receive messages ok - but can t send. Malwarebytes is my antivirus software.

First time it happened - took laptop tp local computer repair shop -they told me they turned off 'VPN" and it startedf sending email.

Then stopped again - it seemed after Thunderbird update. Took back to shop - person that fixed it was working there any longer.VPN is off Thunderbird version is 140.12

I am receiving the following error message when trying to send email through the Thunderbird client: Send Message Error "Sending of the message failed. An error occurred while sending mail. The mail server responded: <tbishop@typewire.com>: Sender address rejected: not owned by user tbishop@typewire.com. Please check the message recipient ("email") and try again."

I have checked the outgoing mail server (smtp) and tried several reconfigurations to get it working and ensure compliance with the ISP's configuration requirements - nothing works. Please advise...

I was able to successfully set up my gmail account, but there's a problem with my iCloud (me.com/mac.com) account. This account is accessible on my iPhone and also on my laptop. I don't really know where to begin troubleshooting this. By clicking on Manual configuration I can see Thunderbird's best guess, listed below:

Protocol: IMAP Hostname: imap.mail.me.com Port: 993 Connection security: SSL/TLS Authentication method: Normal password Username: johnwgordon Hostname: smtp.mail.me.com Port: 587 Connection security: STARTTLS Authentication method: Normal password Username: johnwgordon@maccom

I have a Yahoo.ca email address and have been using Thunderbird to retrieve my email for years. For some reason, a window now pops up to Rogers.com and they want me to log in there. This is not a Rogers email address and it is separate from Rogers. I had this issue before and this forum managed to get me back. My settings are correct. I have deleted the profile 5 times and added it back after a computer restart and still nothing.

I tried to connect my user on my Online Accounts on Linux Mint, but it said: Authentication Failed, so i tried to open my accounts and send a message to myself. The message is sent and it appears a little window that says: Your Messages was sent but a copy was not placed in your sent folder (Sent) due to network or file access errors. You can try or save the messages locally to Local Folders/Sent-(my e-mail name).

Same happens with Troubleshoot Mode and I don't think it's a connection error, so what is the file access error in here?

Hello.I just want to let you know,that somehow the client what i uzsdeing is forget to make undread massages to read when i takea look at them.When i double clivck on them they open a diffferent page and then they get read status.What could cause this?

Hello everyone

It's been for a few days since somehow it became unable to send mail. The error message is "The message could not be sent because we were unable to connect to the outgoing (SMTP) server smtp.gmail.com. The server may be unavailable, or the SMTP connection may have been rejected. Please verify that your outgoing (SMTP) server settings are correct and try again. Problem is I cannot see any mistake in my smtp setting. Some help much appreciated. Thank you.

Taka Jimbo

I get a message saying "The certificate is invalid." And I am currently unable to receive emails. When I open the server settings screen, it says "The certificate exception already exists."

I have an existing account on my old computer. When I put Thunderbird on my new computer, it downloaded thousands of old emails but would not open new mail. I uninstalled and reinstalled and it still won't show new mail.

since 2 years, the option "send to an email addres" isn't fonctionning, connected to this problem, is de "resize" operation that desappeared. It was so practical, fast and relaible method to proceed.

When I press send, the little box 'sending message' appears along with the blue line, but it doesn't progress beyond that even after a very long wait. SMTP settings have been checked and are correct.

Currently, Thunderbird only downloads my emails when it's open. That means that, after a week away from home, it can take 15 minutes or more for all emails to totally download. How can I make it do this in real time, as does my phone or my Cogeco Webmail?

I have been using Thunderbird for over 10 years (currently version 152.0 (64-bit) on Windows 11). For the past few months, I have intermittently been receiving duplicate emails. What could be causing this issue, and what are the possible solutions?