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Yesterday, Oct 6, at 3:20 pm, tbird was unable to download messages from my att server. The error message is "The certificate for inbound.att.net does not come from a trusted source". Nothing that I know of has changed when I look at the account settings.

Do I need to contact Att/Yahoo? If so, how can I describe what to tell them, as I have no knowledge of certificates and how they work (or don't work).

since updating computer I cannot access e mails on thunderbird I can only access them on talktalk mail and get a warning about someone else viewing e mails and telling me to leave page

Dear Thunderbird Development Team

I'm a regular Thunderbird user. I'd like to provide feedback regarding security concerns regarding the UI specifications of the Android version of Thunderbird.

Currently, Thunderbird for Android displays the sender's "display name only" on the email list screen, making the sender's actual email address invisible at all times.

I feel this specification increases the following risks, particularly in smartphone environments:

- Anyone can freely forge display names. - Phishing scams posing as financial institutions, e-commerce sites, and official support are common. - Users often rely on the list screen or notifications to determine the content of emails.

As a result, a UI that makes it difficult to determine whether an email is from a legitimate sender at the list screen level can become a breeding ground for phishing scams.

The PC version of Thunderbird allows for detailed header display, etc., and I'm disappointed that the mobile version of Thunderbird, despite being the same Thunderbird, is at a disadvantage in terms of security.

I would appreciate it if you could consider the following improvements.

- Setting to always display "display name + email address" on the email list screen

I have been using Thunderbird since it was Netscape. (that's how old I am)

In all that time, I have NEVER had a password for Thunderbird. I have never even seen an option to set up a password for Thunderbird.

I thought that maybe if there were a subscription option available now, then I would be able to subscribe, get a proper personal account, make a password for it, and once again be able to use Thunderbird for email management.

I WISH! If anyone knows the URL for a Thunderbird subscription page, please send the URL, because after much searching, I still haven't found one.

Today, I have received an email, claiming to be from Mozilla support.

The text is garbled but it appears to contain words, 'hacking', 'paynalti', and 'auto-block'. These are words which immediately put me on security alert. I haven't opened the mail but have viewed it in preview pane. and screen grabbed the attached pdf image.

Any comments?

Thanks, William

Someone has created Mozilla accounts using several of my company's openly available email accounts. I can't figure why. Anyone have an idea why? I know this because all three accounts received the following email message from Mozilla: "Welcome to Mozilla! A few days ago you created a Mozilla account, but never confirmed it. Please confirm your account in the next 15 days or it will be automatically deleted. Don’t miss out on the browser that puts you and your privacy first."

Moderator note: This question has been edited to remove extra newlines.

Hello,

I process phishing URL's,

I have recently come across URL's that make use of a BLOB: syntax on the URL:

blob:https://bolig.botik.dk/16c8c011-0fa5-4ba0-a10f-ed7675055cc6

You can see an example of the Phishing URL in this PhishTank entry:

https://phishtank.com/phish_detail.php?phish_id=9118779

That URL then re-directs to the above "BLOB" URL.

My understanding is that it is "locally" generating the phishing website, similar to an old fashioned about: syntax, however it's not clear what the significance of bolig.botik.dk URL is - loading that URL without the BLOB: prefix causes an error

Can someone explain:

1) What is the BLOB: syntax, and 2) what would be reported to have the phishing URL removed in the above example?

I received an email threatening to cancel Firefox because of inadequate usage. Is this for real or a scam? I do use Firefox but, perhaps not enough for Mozilla's rules? I would regret losing this privilege. Thanks.

Dear Sirs, I got a letter about a donation to support Thunderbird and I payed 200 SEK. I was connected to https://updates.thunderbird.net/sv-SE/thunderbird/128.0/nov24/

Is it OK? Or did I a mistake?

Regards Bengt Bengtsson Kalmar Sweden

I keep getting message "The certificate for imap.gmail does not come from a trusted source". I've uninstalled thunderbird on occasion and it fixed this problem, but now it keeps coming back. bold text

02 Oct. 2025

Recently, some automatic updates were made to my Dell desktop. I assume they were updates to the Windows 11 OS.

The updates also caused some changes to my Thunderbird e-mails. The incoming e-mails are formatted differently. I used to get a message, saying that "remote content" in some incoming e-mails had been blocked. I was given the option to show remote content in the incoming e-mail. Now, I no longer have the option to "show remote content".

Please tell me how I can recover the option to "show remote content" on incoming e-mails.

Thank you.

Connie Yanicka

cyanicka46@gmail.com

Thank you for your help and answer. I hope I can continue writing to you in German as well?

I can't find a contact person and the name of my Mozilla account has been changed; is that normal?

Thunderbird Portable Help

Question: A number appeared after my email address, so "email" and "1954". Who is that? Is that normal?

Question: Thunderbird Developer Toolbox: Can you see in the program? Can you see my emails?

Question: Are there any Thunderbird users left who speak German?

Questions: Thunderbird Portable The archive option isn't updating? How long does the backup take?

Different Thunderbird versions display a programmed year date in the archive option. For example, 2021 in one version and 2024 in another. Is that normal? I can't change anything.

It's as if it's accessing some kind of backup and maybe even sharing it, and I don't know what's correct.

Question: Update Channel Ellipse Update Channel esr. Previously, there were different channels. Isn't another channel better? I've read that it's more stable than switching. Is that true? Information regarding the question below?

140.9.0esr (64-bit) Thunderbird is up to date.

You are currently on the esr update channel. I'm experiencing stability issues with this one.

Thunderbird, Portable Edition portableapps - 1.0 Thunderbird is up to date. You are currently on the release update channel. New Download

General Information In Thunderbird Portable, there is a help page:

https://support.mozilla.org/de/products/thunderbird

Please reply and thank you very much for your help.

Example email attached. Mozilla support emails say requests are coming from a windows 10 device but I am on 11. Is this a sign that something is wrong with my account or just a typo?