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When composing a message, as soon as I hit the space bar a blue border appears around the message pane and instead of inserting a space the cursor jumps to the end of the message. When I try to go back to insert the space where I want it the curser jumps to the end again. So basically I can't insert any spaces in the message. This has only just started happening, been using TBird without any problems for a long time. Any advice would be much appreciated Thanks Geoff

Hi! Six years passed of not using Thunderbird. New computer, different OS, new Thunderbird profile. And still the same unsolved issue as before: https://support.mozilla.org/en-US/questions/1245502 PLEASE, I beg for a solution. TB: 128.8.0esr (64-bit). Machine: Mac mini 2024 M4 . OS: MacOS Sequoia 15.3.1. Email provider: O2.pl. Regards

Не могу зайти в аккаунт яндекса в приложении thunderdird

Используемый протокол: IMAP, SMTP

Адрес ящика: ksusha-prishedko@yandex.ru

Дата: 11.03.2025

Время: с 10:00 до 12:53

Описание: пытаюсь почту яндекса открыть в thunderdird . Протокол imap smtp. Выползает ошибка, не верный логин или пароль, уже проверяла и меняла. В почте яндекса "Разрешить доступ к почтовому ящику с помощью почтовых клиентов" все разрешено. Настройки в thunderdird: Входящая почта

Протокол — IMAP; Имя сервера — imap.yandex.ru (или imap.ya.ru, если вы подключаетесь не из России); Порт — 993; SSL — SSL/TLS; Аутентификация — «Обычный пароль".

Исходящая почта

Имя сервера — smtp.yandex.ru; Порт — 465; SSL — SSL/TLS; Аутентификация — «Обычный пароль».

Usunelam konto w Thunderbirdzie i dodałam je ponownie, ale nie weszly z powrotem stare wiadomosci od roku 2021 do marca 2025. Przychodza tylko najnowsze wiadomosci. Poprzez strone www gmail działa normalnie, tylko w Thunderbirdzie mam ten problem.

Hello,

Today I added a new mail account and used it to write a test mail containing German umlauts. The result is this:

Subject: Das ist ein Testmail Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit

Hi,

ich sende dir eine Testmail!

Liebe Grüße

In other accounts that are also configured in Thunderbird but run on other servers, the result looks different. Namely:

Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable

Das ist ein Test.

Alles Liebe! =C3=A4=C3=B6=C3=BC =C3=84=C3=96=C3=9C=C3=9F=C3=9F=C3=9F

The latter is correct and right. Why does Thunderbird behave differently for the newly created account?

Kind regards

tamo_bln

When a signature is used, activated and the option "below my reply (above the quote)" is used there is no signature separator "-- " used. This is contrary to the behavior when using "Signature below quoted" and a new message, where the separator is used. The solution should be to show the separator in all modes consistently.

(Adding the separator in the signature text definition is not a workaround, because the separator is then doubled in new messages)

Screenshot of the settings for problem replication is attached.

Dear Thunderbird Support Team,

I'm experiencing an issue with using my digital signing certificate in Thunderbird. I have imported a p12 certificate into Thunderbird on my Ubuntu system, and everything seemed to go fine during the import. However, when I try to digitally sign my emails, I receive an error message that says, "Certificate Manager can't locate a valid certificate that can be used to digitally sign your messages with an address of [XXX@XYZ]." It is hosted by an academic institution using office365 products.

I have checked the certificate details and noticed that the Basic Constraints section shows "Certificate Authority: No" marked as critical. I’ve seen that certificates on the internet often have different settings, and I’m wondering if this might be causing Thunderbird to not be able to find my certificate. I have checked the authority settings and both boxes are marked.

I am running the latest version of Thunderbird on Ubuntu, and I have verified that the certificate is imported under "Your Certificates" in Thunderbird's Certificate Manager. My email address in Thunderbird matches the one on the certificate, but the error persists. I would appreciate any help.

Best regards, Thomas G.

I'd be happy with an answer, but I offer a possible solution. Can someone tell me whether it will work?

When more than one copy of an iMap account exists, there is a problem with Junk mail learning. Namely, the learning only occurs on the computer where the user declares mail to be Junk, not on other copies of the same iMap account. It has been suggested that Training.dat be copied from one account to another, but that wipes out any training that has occurred on the copies that receive the new Training.dat file. A merge is needed.

So... Does THIS work? Go to the Junk folder and select all mail in it. Mark all the mail as Junk (seemingly redundantly). Unless Thunderbird makes a special case of NOT learning from marking mail as Junk when it already is, this ought to work, right?

Something changed such that copies were no longer sent to my sent file under Inbox. My email is run through web.com and they said it was not their issue and then the next web.com guy said it was their issue. At present messages do get copied if I set "copy to Sent on local folder" but then I don't have access to them away from the office. I am not tech savvy so I don't know what the issue actually is other than an email I sent on February 24, 2025 at 12:50 was the least copied to that file since I started using TB years ago. Any help is appreciated.

We have 2 gmail accounts in Thunderbird. outgoing emails don't show in sent mail.

I read the solution for my same problem- quoted below. This does not fix the problem for me. Every time I change the SMTP outgoing address for one account the other account gets changed to match it.

"It is exactly as I suspected: all the SMTP servers have the same description. To fix the problem, you need to edit each of them in the account settings>Outgoing Server (SMTP) pane and give each a different DESCRIPTION. Since they all have the same name, Thunderbird goes with the default. I suggest putting each email id within the description field for easy identification. Do that for all four SMTP servers. Then, click the account page for each, and at bottom of pane, click and set the appropriate SMTP server.

When I open up my Thunderbird to get emails I keep getting getting error code 0x80570015. I can't see attachments and cannot respond to emails. Also cannot delete emails. I Iooked it up to see how to fix it and they say to remove the "lightning" add on. When I go under tools and look for this add on, it is not there. In fact it doesn't seem that I have any add-ons. Something to do with the calendar which I don't even use. It says Thunderbird is up to date. Could you please give any advice how to fix it. Thanks, Matt

reply messages are not being saved to the DRAFT folder when trying to save them. I set up a new DRAFT folder under Local and can save them to that folder. However, I can not open the saved reply and need to move it to my inboix to get at it to send.

Hello, I have a problem with creating messages. The new message button does not respond to clicking (the same with file > create > message). You can reply to messages normally. Please advise how to fix the problem.

I use thunderbird on various computers and laptops. In one of them I cannot change the signature permanently. I have to change it every day again. In the mask is no button for saving the changes. Neither is on the other computers. But on my other devices is no problem. What can I do?

Hello, I want to put a table in a Thunderbird message. The table will have no borders except for the leftmost column, which I want to have a black 5px border on its left side only. I can’t figure out how to do this with the tools available, any assistance would be gratefully received. Alan.

'I received an email from Drheath82@frontier.com saying I ask to delete my email account and to click the link if "I DID NOT REQUEST THAT". Is this legit?'bold text

My husband is not here to help and I need to get into our emails. On the pop.gmail.com it states "Invalid credential. What does that mean . I have accounts on my Thunderbird account that are also not loading , it states "Failed to connect to server" or " Connection refused". I know nothing about this Thunderbird emails system and I am computer illiterate. Can I get some help please.