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I am unable to send emails from my Optusnet email account through Thunderbird. This also happened a couple of weeks ago, and was resolved with Optus Tech support by updating the SMTP settings, but they don't seem to be able to help this time. What settings do you recommend? Or other solution?

My email messaging seems to be set at a defined format with double spacing. I prefer to use single spacing but in order to do this I have to type all the way to the end of the page and then it will automatically go to the next paragraph and will then use single spacing. I would really like to be able to format my emails with single spacing and different margins other than what I have to use now (i.e.using the entire width of the message). I cannot find any way to change this automatic double spacing and change the width of the paragraph at the same time. From the drop down list directly above the body of the message, I have tried changing from Body Text to Paragraph and back again, but nothing works. Thanks very much for your help.

P. S. I am using Windows 10 with Thunderbird version 128.4.2 esr. I had the same problem in more recent versions but not in older versions.

This is same server and settings that work on other apps. I noted that Antivirus software can be the cause, but I stopped Norton and only using Defender and still have the problem.

Hi ! so i need some help ... i cant find a way to set up a Hotmail account on Thunderbird a have an error message "authenticated but not connected..." i tried ipv6 disabled .. nothing .. deleted password and account and tried again same thing ... it doesn't show the pop window that says ( would you like to let Thunderbird access your email " it just goes to create the inbox file and get the error message authenticated but not connected ... sorry for the incorrect grammar but i am over my head the last 3 hours .. i need help ...

Bonjour, Je ne parviens pas à répondre et à transférer un mail reçu. Je reçois un message de rejet systématique (anti-spam) pour 2 envois en retour d'un message reçu !?. Merci de bien vouloir m'aider. Cordialement A. OLLIER

When the Inbox is displayed and I delete one message, suddenly all the messages disappear. In their place is "No message found" even though the upper left of the screen shows that there are messages in the Inbox. All other folders also appear to have no messages.

The fix is to close and restart Thunderbird, and all messages re-appear. This happens at least once a day.

The program is running on Xubuntu 24.04.1. There are many message filters and the profile is around 7 GB.

Thanks in advance for any suggestion on how to fix. A screenshot is attached.

I've had 2 problems with Thunderbird for .5-1 year now. I'll make a separate post on the 'lost password' issue later. For this post, I'll focus on the failure to download emails issues.

When I do a send/receive (for all accounts), I will see for an account the name turn blue momentarily (indicating a new email), but that will disappear quickly and no email will be downloaded. When I go to webmail for that account...there is a new email in the inbox that failed to download. Further attempts to download are futile. This has happened with multiple accounts and multiple senders, and the only solution I've found is to move all the emails to local folders, delete the account, re-setup, and move the older emails back. Then it will download the email at issue (indicating to me it is not an issue with the email itself). Deleting the global-messages-db.sqlite file doesn't solve the issue. Anyone know why this is happening and how to stop or at least fix it easier than my solution?

My gut says that the email is downloading, but is getting marked wrong somehow. The emails are not in any other folders that I've detected--they're not going to straight to trash. In thunderbird, all junk settings are off. the 'global' box is unchecked, as is the box in the specific account.

As for the details, it happened today and after I updated to the latest version 128.4.2esr, but that didn't help. It would have been the prior version before updating. Win 11, 1 yr old computer with no hardware issues. The computer is generally up to date...at most a version or so behind--I don't always update IMMEDIATELY.

I have 9 accounts--5/4 Pop3/IMAP. I use the pop3 mostly and that's where the issues are (solely). Also, Thunderbird data is on a NAS on a LAN. I understand that is not preferred, but I've been doing that for a decade or more without issues (until recently). I have my own domain, and that email system uses cpanel. I've had that for years without issue...again until now. I've made no changes on the email server end-that'd be beyond me anyway. And its intermittent--fairly rare, say 1 in 500 or more emails? No encryption.

Any help would be appreciated,

Thank you

I had to delete one of my email accounts and reenter it. Now when I send an email from that account the copy goes into another account sent box. I have checked both accounts and everything looks good

I know the mail server I use has many more years of email messages saved in the inbox than I can get to display when using thunderbird. The thunderbird inbox seems to limit to about the last 2 years of messages. How do I get to earlier messages? Many thanks for your help.

I am trying to apply this filter but unsucssesfylly. I am looking for a exact number that appears in the message, to move the e-mail to a specific folder. I've already checked usind CTRL+F and it appears. Any suggestion? Here are some pictures.

I am getting very frustrated with the junk mail. I have very important emails ending up in junk. They aren't marked as junk but they are still being put in junk. Most are in my address book so shouldn't be there at all. Even when I mark them as not junk, they still get put in junk. I've reset the adaptive junk and it makes no difference. I've even turned off all junk settings and they still go into junk! I'm totally at a loss as to what to do. Please, can someone help? I'm seriously considering giving up on Thunderbird and using a different email client.

Hi folks, thanks for the amazing Thunderbird on Android.

I have a couple of observation I'd like to share.

1. When the device's theme is set to dark and Thunderbird follows, some parts of the email body becomes unreadable. This is not the case with Gmail (this is a Gmail account). I am attaching screenshots for this (1.jpeg for Gmail, 2.jpeg for Thunderbird). Is this an expected behavior?

2. The app seems to use green and violet colors for email body by default. And, it misses some of format colors of the email body itself. That is something I do not prefer. Is there a reason why Thunderbird chose this color and formatting? Is there a way to change the colors? Again attaching screenshots for this (please note the arrows I made especially, 3 for Gmail and 4 for Thunderbird and two others I did not number showing the green format (from Udemy)).

3. There are format problems with the Thunderbird (5 for Gmail and 6 for Thunderbird). Are these expected? It makes reading and seeing the mail problematic.

4. I think there is a problem with the way notification times are shown on Thunderbird. In the screenshot 7, you see that notification timestamp for Thunderbird is shown as 14:07. However, none of the emails shown just below have that time. Why would that be the case?

5. Lastly, even though the setting is set for Push, my emails come on average 10-25 minutes later than Gmail app itself. Is this also an expected behavior?

Thank you.

I am dislexic and sometime mis-type the destination domain address. Can I get Thunderbird to check the domain exists before sending it to the mail server? I can't find an addon to do this. Sometimes there is a considerable wait before I get an error message back.

Uncaught NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsISpamSettings.spamFolderURI]

   canRenameDeleteJunkMail resource:///modules/FolderUtils.sys.mjs:367
   getCommandState chrome://messenger/content/about3Pane.js:467
   <anonymous> chrome://messenger/content/about3Pane.js:6346
   isCommandEnabled chrome://messenger/content/mailCommon.js:449
   doCommand chrome://messenger/content/mailCommon.js:704
   triggerCommand chrome://messenger/content/about3Pane.js:865
   onCommand chrome://messenger/content/about3Pane.js:842
   handleEvent chrome://messenger/content/about3Pane.js:326

FolderUtils.sys.mjs:367 extensions.screenshots.disabled

As secretary of a bridge club I use "replay to" very frequently. To my surprise it behaves funny with version 128.4.2. When send to recipients and replaying to the recieved email I see the screen where another account signature is used and the replay is not filled in. As this is send to about 100 people its not nice. Hope you can fix this.

Hello, I have authorised notifications in the Thunderbird application for Android, but I don't receive any when I receive emails. For your information, in Account Settings > Notifications, I checked the first box "Notifications of new emails" and the fifth box "Synchronisation notifications". What's more, in the "Notification categories" section (further down), in the screen that opens before "Emails", the "Alert" and "Application icon badges" boxes are ticked, and there's a sound associated with the "Sound" heading. With all this, I don't get any notification of incoming emails. Thank you for your help, Kind regards,

Renaud E-mail: rsoubise@mailo.com