How to immediately delete email from server after archiving it in thunderbird?

In my current setup, when thunderbird archives an e-mail it is only marked for deletion, not delete immediately from the server. How do I set it up to actually delete the mail from the server ?

Thunderbird ‘wrong site’ error for SSL certificate in port 465

I started to use Thunderbird. While sending emails, it gives an error saying that

Sending of the message failed.
Unable to communicate securely with peer: requested domain name does not match the server’s certificate.
The configuration related to must be corrected.

I have a Let’s Encrypt SSL certificate issued for both and Secure site is working on web.

In the error window, Thunderbird can verify my SSL cert when I try without port. However, it cannot find the cert for It finds another cert, a Starfield cert, which is a cert my webserver uses in default.

I use Godaddy, they recommend to use with SMTP port 465 in outgoing server for SSL. Thunderbird’s default port is also 465.

Why does adding port result in different cert?
Is there a way to solve this problem?

linux – Thunderbird doesn’t work with postfix/dovecot

My environment:

  • ubuntu 20.04.1 LTS
  • postfix 3.4.13
  • dovecot

Setup is extremely simple. I configured postfix via built-in master as an internet site host. Dovecot (I use it as IMAP server) settings are all default. Now, I’m able to connect to this server with any mail client at my hands (outlook, eM Client) and do routine mailwork except Thunderbird. When I try to setup my account in Thunderbird I got such window for infinity:
thunderbird setup On server side I see these suspicious entries in mail.log whenever I try to test my settings in thunderbird settings windows (test passes OK):

postfix/smtpd(13695): improper command pipelining after EHLO from QUITrn
postfix/smtpd(13695): disconnect from ehlo=1 quit=1 commands=2

I specifically simplified this setup because I have a fully fledged mail server with authentication, SSL, DKIM, etc. but I’m also unable to use thunderbird with it (behavior is exactly the same).

I’m out of ideas how to make thunderbird to connect to my server. Any help is appreciated!

how to change new message raw color or font in thunderbird 78?

I knew how to change the unread message style with userChrome.css:

treechildren::-moz-tree-cell(unread) {
    background-color: #8afff3 !important;

I also knew how to change the folder style when it contain new mails:

#folderTree > treechildren::-moz-tree-cell-text(folderNameCol, newMessages-true) {
 font-weight: normal !important;
 color: Red !important;


but now I want to change the row color of new message similar to what I did to the unread one, but I have no idea what the status value should be. new? newMessage? I tried following but nothing get changed:

treechildren::-moz-tree-cell(new) {
    font-style: italic !important;
    text-decoration: underline !important;;

Customise thunderbird 78 looks – Super User

Gday gents.

I’ve got a thunderbird 78.7.1 (64bit) install here on win10.
Trying to change the looks a bit, because even though I like the light interface, the header row in the list is indiscernible from the rest.

However, it seems that all the themes are incompatible with this version, in fact most mods are.

I’ve looked at trying to use the userchrome.css method mentioned somewhere, but only god knows what the styles are, and firebug is also incompatible so I’ve no idea how to find the classes/ids of the elements in play.

Anyone can recommend any way out of this? (apart from switching email clients – I can figure that one out myself)

Many thanks

how to have thunderbird read a Browsers email base

I have tried to have Thunderbird read browser email server. What ways are needed to perform the code to do the job. With my Rise sign in Info it works, but I have used Thunderbird since its’ inception. My desire is to use Thunderbird Instead of only Rise Internet Provider email. My many past Years as been w/donations to Mozilla Thunderbird.

Can’t send emails on BT Internet through Thunderbird

This is an intermittemt problem. I have 4 BT email addresses and 3 Outlook email addresses, all managed through Thunderbird. All accounts are POP. I also use my iPhone and native Apple mail app to send and receive to and from the BT addresses. I have always had a problem with periodic failure of the BT SMTP server to allow sending of emails. The symptoms are always the same: the server responds that the password is incorrect. The problem sometime lasts as long as a day and then appears to fix itself but fails again after anything from a few hours to a day. When it happens, I get the same problems trying to send from my iPhone – it’s as though the server locks out and I have to wait for some BT routine to run to reset it. The outlook addresses continue to perform perfectly. BT seem unable or unwilling to accept it as their problem. I have checked and double-checked all server and password settings. In desperation, I have deleted all records of any BT accounts in Thunderbird and set up all the accounts/server details/passwords from scratch again. All worked for about a day but, this morning, complete failure again. Short of migrating all my email traffic from BT to Outlook (BT is currently my default), I cannot think of anything I can do at my end. I even installed a second different e-mail client and got the same problems with that. Has anyone else had this problem? Any suggestions?

How to keep the recipient address editable in Thunderbird 78.4.2?

The recipients are now visualized like blocks and prevents the user to move the cursor in the string. It looks very similar to the way MS Outlook shows the recipients.


How to keep the recipient address editable in Thunderbird 78.4.2?

How can I make Thunderbird on Windows open links in a different browser?

I don’t want Thunderbird to use the default browser when I click on links. How can I configure it to use a different browser?

Windows 10
Thunderbird 78

Does Dovecot make Foxmail / Thunderbird / Outlook to receive duplicated email?

I’ve built a Postfix(2.10.1-7.el7.x64.rpm) + Dovecot(2.3.11-build) mail server for my host. It functions well for me at the very beginning.

After using for a while, I kept receiving duplicated mails from my server. I try to figure it out where did they come from. But I finally found they share the same MESSAGE-ID, which is identified by receiving mails. I try to use different email client, Foxmail/Thunderbird/Outlook, but it results the same.

I try to figout it out how they functioned. And I found out when I receiving a mail, which comes from a persistent connection, it would be very easily to duplicate a mail if I pulled it from mail server by my own at the same time.

This does not make sense, does anybody knows how to config the dovecot server to avoid the duplication of mails from client? It would be great helpful for me. Thanks.