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If I use Ctrl+E to resend an email it loses all images (both in signature and any attached).

Thunderbird: 158.0.1 (64-bit)

Was working fine before. Stopped recently. If I send a new email, or forward an email, all works fine. Only if I Ctrl+E

Thank you kindly

Folks, this is a rather alarming setting. I’m not sure if this counts as a bug—if it is, please fix it; if not, please explain why. I’d like to know, as it might be reason enough for me to switch to a different email client. Thanks.

To ask this question, I had to sign in. But the password to sign in, which permits me to reach this page, where I can ask this question, does not give me access to my email. I have tried using my apple account password and my computer password to no avail. How do I fix this?

Mostly the Trash and Drafts folders shown very large, incorrect numbers, in the hundred. Even if I mark as the folder read or empty the folder. Numbers don't change, just keep growing. Any ideas? I've tried some suggfestions from the internet but none work

We're planning to switch from Outlook to Thunderbird, but we have a hard time in harmonizing font sizes on text and signature. One of the issues is that fonts can be set to textual values tiny, small, medium, etc. w/o knowing what it corresponds to in pt. But lets explain what we tried so far: - Under Settings/ General / Language&Fonts, we defined Calibri 12 as default, what we repeated under Advanced for 'Latin' & 'Other Writing Fonts' - Under Settings / Composition, we defined Calibri / Medium for the HTML Style - The HTML-signature is defined using the Calibri 12 font But when creating a new message w/ these settings, the result is terrible as you can see in the example: disregard the fonts' color, just look at the font sizes.

Is there any simple solution?

メール内の画像が表示されません リモートコンテンツを許可する (画像とスタイル)(M)、添付をメッセージ本文に表示する(M)にチェックを入れ、メール形式はオリジナルHTMLになっています。 画像枠は表示され、クリックするとWEBで画像は表示されます。 OS：win11_25H2 thunderbird：158.0.1 (64 ビット) 解決方法のご教授、よろしくお願い致します。

Hello,

I'm moving to Graph from EWS and have followed the instructions at: https://support.mozilla.org/en-US/kb/microsoft-ews-graph-migration

I get through to screen that offers Graph API as an option, alongside IMAP, POP3 etc, and click on Graph API which directs me to my browser to log in to my email service (via GoDaddy). I log in successfully which takes me to the Thunderbird 'You're All Set' screen saying the account has been securely connected to Thunderbird and therefore ok to close that screen.

Back on Thunderbird it then progresses but returns with "Authentication Error - unable to log in at server. Probably wrong configuration, username or password".

The username and password are correct, and there aren't any other options available when editing/manually configuring the connection...so at a dead end, alas.

Any pointers much appreciated!

Hi there, I’ve spent many hours trying to find an answer. Perhaps it’s right under my nose, but I just can’t seem to find it. Please help!

I’ve created extra folders in Thunderbird to keep my messages organized. Question: How can I locate a specific folder?

Example: I create a folder named "a555". I CANNOT FIND THE FOLDER "a555".

(why did I choose "a555"? It’s a unique combination of letters and numbers, which ensures there are no unintended search results.)

Searching for a message does reveal the name of the folder it’s contained in, but that’s not what I’m looking for. I want to be able to search for the folder itself directly.

I have tried searching using: Global Search (top right) – Ctrl + K; Specific Search – Ctrl + Shift + F; This Thunderbird forum; A general search on the internet.

Any answer would be greatly appreciated. Arthur Cerew.

• • Titel: Yahoo-Mail lässt sich in Thunderbird 153.5 unter macOS nicht anmelden – „Es ist ein Problem aufgetreten“**

Hallo zusammen,

ich kann mein Yahoo-Mail-Konto seit etwa zwei Wochen nicht mehr in Thunderbird einrichten. Ich vermute ein Problem mit der Yahoo-OAuth2-Anmeldung.

• • Mein System:**

- Betriebssystem: macOS auf einem MacBook Pro - Thunderbird-Version: 153.5 - Weitere E-Mail-Konten in Thunderbird: Gmail, WEB.DE, GMX und Host Europe. Diese funktionieren alle problemlos.

• • Fehlerbeschreibung:**

Wenn ich mein Yahoo-Konto hinzufügen möchte, öffnet sich das Yahoo-Anmeldefenster. Ich gebe meine vollständige Yahoo-E-Mail-Adresse und mein korrektes Passwort ein. Anschließend erscheint folgende Fehlermeldung:

„Es ist ein Problem aufgetreten. Wir konnten Sie nicht anmelden. Versuchen Sie es bitte auf einem anderen Gerät.“

Darunter befindet sich ein lila Button „Hilfe aufrufen“.

Die Anmeldung bei Yahoo funktioniert dagegen problemlos über Firefox auf demselben Mac mit demselben Passwort. Auch die Anmeldung über meinen Passkey auf dem iPhone funktioniert.

• • Bereits durchgeführte Maßnahmen:**

- Yahoo-Passwort geändert und die Anmeldung über Firefox erfolgreich getestet. - Zwei-Faktor-Authentifizierung bei Yahoo aktiviert. - Yahoo-Konto in Thunderbird gelöscht und mehrfach versucht, es neu einzurichten. - Authentifizierungsmethode für IMAP und SMTP überprüft: OAuth2. - Cookies und JavaScript in Thunderbird aktiviert. - Im Konfigurationseditor folgende Werte überprüft:

 - `mailnews.oauth.usePrivateBrowser = true`
 - `mailnews.oauth.useExternalBrowser = false`
 - `javascript.enabled = true`

- Ein Yahoo-App-Passwort erstellt und versucht, das Konto manuell mit „Passwort, normal“ einzurichten. Thunderbird öffnet trotzdem wieder das Yahoo-Anmeldefenster unter `autodiscover.yahoo.com`, wo dieselbe Fehlermeldung erscheint. - Alte Yahoo-Einträge aus dem Passwortspeicher entfernt. - Doppelte Yahoo-SMTP-Einträge gefunden und den veralteten Eintrag entfernt. - Thunderbird vollständig beendet und neu gestartet.

Nach dem Neustart erscheint teilweise sogar eine Passwortabfrage für `peterbeck127@yahoo.com`, obwohl das Yahoo-Konto nicht mehr in der Kontenliste vorhanden ist.

• • Meine Fragen:**

1. Ist ein bekannter Fehler bei der Yahoo-OAuth2-/PKCE-Anmeldung in Thunderbird 153.5 vorhanden? 2. Warum lehnt Yahoo die Anmeldung in Thunderbird ab, obwohl dieselben Zugangsdaten über Firefox funktionieren? 3. Wie kann ich eventuell verbliebene Yahoo-Anmeldeversuche oder Servereinträge vollständig entfernen, ohne mein Thunderbird-Profil und meine anderen E-Mail-Konten zu beschädigen? 4. Gibt es einen bekannten Workaround oder eine Korrektur für dieses Problem?

Ich möchte mein Yahoo-Konto wieder normal über IMAP und SMTP in Thunderbird verwenden können, ohne meine anderen Konten neu einrichten zu müssen.

Vielen Dank für eure Hilfe!

Have got a replacement computer, and downloaded the latest TBird (having used it with AOL) for years). Following initial set up procedure, TB detects correct settings for AOL and the "enter password" page opens from AOL succcessfully for authorisation. AOL requires 2 factor authorisation, and I use a phone code for this.

However the speed at which the code arrives from AOL has always varied quite a bit, and today it is taking almost a minute so the TB set up screen is timing out long before the code arrives. Cant go on retrying as I will get locked out of the account. No point in going for manual set up as the auto settings are correct, so the same problem is going to occur. I have three AOL e-mail addresses to set up! Is there a workaround of some sort for this - its terribly frustrating and the set up screen "connect your e-mail settings" timeout period does seem quite short if you have to wait for a 2FA phone code or e-mail code - any delay in the arrival of which is completely ouside your control . Dave

Dear Support Team / Mail Administrator, I am requesting urgent assistance to force-stop an email forwarding loop and mitigate server load caused by a misconfigured filter in Thunderbird. • Affected Account: [redacted]@leadit.co.kr

[What Happened] I accidentally set up and manually executed ("Run Now") the following two rules under the Tools > Message Filters menu in Thunderbird: • Rule 1: Forward all incoming emails to an external email address. • Rule 2: Copy/Move all outgoing emails back to my Inbox.

[Current Issue & Loop Mechanism] Although I have already disabled these filters in Thunderbird, a massive infinite loop is currently running on the server: 1. When a mail is forwarded externally (Rule 1), it is recognized as a sent email. 2. This sent email is then copied back to my Inbox (Rule 2). 3. The new email in the Inbox triggers the external forward again (Rule 1), creating an endless loop. The external email address is continuously flooded with forwarded messages, and I am highly concerned about local storage capacity issues and overall mail server overload.

[Requested Actions] Could you please urgently take the following administrative actions on the mail server? 1. Force-stop/kill any active mail processing or rules related to [redacted]@leadit.co.kr. 2. Clear the outbound mail queue for this account to stop further external forwarding. Thank you for your immediate and urgent attention to this matter.

I have now the version 158.01 (64-bit) with Windows 11. My Gmail account only dowloads email like once a day. The server settings are: -Check for new messages at startup -Check for new messages every 10 minutes This started a few days ago, while I had the version 158.00. I have many accounts on Thunderbird, and re-installing all of them would be time consuming. Any suggestion?

- Thunderbird 158.0.1 on Mac. - Three Yahoo accounts: one sends successfully; two fail. - Sending and receiving work through Yahoo’s website and my iPhone. - Error: 550 Invalid mail from. - The error persists in Troubleshoot Mode, and the log doesn’t show the sender address. This happened after latest update Thank you

I have just tried to look at my emails as I usually do and been stopped by google wanting a lot of information and for me to accept a lot of rules.Why does Google have a finger in everything when i thought I was dealing with Mozilla Firefox?

Hello,

I cannot send email from my personal Outlook.de account in Thunderbird, although receiving email works. Sending email from the same account through Outlook.com in a web browser also works.

This is a personal Microsoft account, not a business or school account. I do not have access to an Exchange Online or Microsoft 365 administration console.

Environment: - Thunderbird version: 158.0.1 (the version reported when troubleshooting started) - Operating system: Windows 11 - Email provider: Outlook.com / Outlook.de

Outgoing server settings: - Server: smtp-mail.outlook.com - Port: 587 - Connection security: STARTTLS - Authentication method: OAuth2 - Username: full Outlook.de email address

OAuth2 was already configured before the problem was investigated.

When I try to send an email, Thunderbird displays an authentication failure. A Microsoft sign-in page briefly opens and closes, after which the same error appears again.

The Thunderbird Error Console reports:

mailnews.smtp: Command failed: 535 Authentication unsuccessful, SmtpClientAuthentication is disabled for the Mailbox.

It also shows:

currentAction=_actionAUTH_XOAUTH2

A second entry reports:

mailnews.smtp: Authentication failed: Authentication unsuccessful, SmtpClientAuthentication is disabled for the Mailbox.

Troubleshooting already performed: 1. Verified the SMTP server, port, STARTTLS, OAuth2 and username. 2. Removed the saved Microsoft/Outlook authentication entries for this account. 3. Completely closed and restarted Thunderbird, then retried authentication and sending. 4. Checked the cookie exceptions list: no exceptions were present. 5. Confirmed that sending through Outlook.com in a browser works.

Removing the saved authentication entries and signing in again did not resolve the issue.

My questions: - Is this a known issue with personal Outlook.com/Outlook.de accounts? - Is there any supported Thunderbird-side fix for this specific server response? - Is a different supported account connection method available for this personal account that does not depend on SMTP AUTH? - If Microsoft must change something on the server side, what exactly should I ask Microsoft Support to investigate?

I have found Microsoft's documentation about enabling SMTP AUTH in Exchange Online, but its administrator instructions do not apply to my personal Outlook.de account.

I can provide a screenshot of the Thunderbird Error Console.

Thank you for your help.