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I've found that some of my emaIls in very latest Thunderbird mail client on Windows 10 have had their content replaced with a phishing email - the title of the email is as per the existing email received yesterday but the content is a phishing email made to look like a contact request from a motor insurance provider that I used years ago and the email is addressed to the email address I used when dealing with said insurance company.  It's only an issue with Thunderbird as the email looks fine on my mobile phone and in Outlook.  Either Thunderbird itself is compromised or one of the installed extensions is compromised.

Has anyone come across a similar issue?

I'm running an antivirus scan but I think I might uninstall and wipe clean Thunderbird if the scan shows no issues.

Hi I've just realised that Thunderbird has been deleting inbox messages from server with IMAP server setting. Is there any way how to turn this off? I would expect this to happen with POP but not with IMAP. Cheers Mike

Hallo und guten Tag,

ich habe für Windows [PC] und Android [Pixel 8pro] jeweils die beiden aktuellsten Versionen von 'Thunderbird x64'und 'Thunderbird: Free Your Inbox' installiert und eingerichtet. Es sind zwei E-Mail-Konten mit jeweils einer Alias-Adresse eingerichtet, alles unter GMX.NET , IMAP+SMTP sind ebenfalls aktiviert [IMAP port993 und SMTP port465]. Leider bekomme ich es nicht so eingerichtet, daß Mails wenn sie am PC oder am Pixel empfangen und verschoben oder gelöscht oder als Spam markiert sind, daß dieses dann auch am jeweils anderen Endgerät so erscheint. Es werden immer wieder alle Mails neu als eingegangene Nachrichten gezeigt und ich muß dann am jeweils anderen Endgerät die gleichen Aktionen vornehmen.

Wo liegt der Fehler, was muß ich tun um das Problem zu beheben.

Dear,

I have a problem with sending emails via Thunderbird desktop platform. Namely, I have set up a Yahoo account, and set the SMTP authentication method to OAuth2, however I still have the issue with sending emails. There's no problem with receiving emails.

Can you help me please?

Regards, Nikola Lajic nnl0111991@gmail.com

Hi

I have several different email accounts. All but one are working fine. But my primary account is continuously unresponsive and freezes. This has been going on for several weeks now and today I can't get that account to work at all.

I'm on Windows 11 and have tried re-starting my laptop in Safe Mode but the freezing persists. I've tried turning off Windows Defender - it makes no difference and I don't have any other anti-virus running.

I have 450 emails in my Inbox and don't want to lose any of them or my address book. I do back up each week.

Not very tech savvy and no clue how to sort the issue out.

All help appreciated.

Hi all,

I just set up an email account with POP3 at Thunderbird and enabled leaving messages on the server for, say, 30 days. But if I enable this, all messages stay on the server. I have tried this using my Gmail account, Office365 account, and another provider's email account, but the result is still the same. Do you have any suggestions for this case? Or am I missing any setting?

The reason I need this feature is because I use an email provider with a 2 GB email space limit. I want only the past 30 days of messages that are still on the server to avoid email space being full, meanwhile 30 days at the server to allow user still able to read the past 30 days of email from their mobile phone or web.

After installing the latest Windows 22H2 HOME updates - I cannot run Thunderbird. Blue screen and message - This application will not work on your computer. What to do? MG

My first support request about this was posted on Mon, Nov 18 (8:53 a.m.). I never got a response--probably my fault for posting a minor correction which may have caused everyone else to think someone knowledgeable had responded. I apologize for starting a new thread, but it’s been almost a week now and I really need help. The situation: I get my email via POP, and something got corrupted as a result of doing a backup of TB on Nov 15 using MozBackup. Following advice by Toad-Hall on 11/7/23 to a similar support request, in Troubleshooting Information, inside Profile folder, then in Mail, then in the folder for my server, I renamed “Inbox” as “OldInbox.” A new Inbox and new Inbox.msf got created in Mail > 'my-server.' The new Inbox is 0 KB and is dated to the Nov 14, the evening before I did the MozBackup. The date on the new Inbox.msf keeps advancing. There’s a OldInbox.msf file too, with date that keeps advancing. The new Inbox.msf file doesn’t work or isn’t getting used or some such. When I open TB, Inbox still shows the same old list of emails (now inaccessible) that used to be there and that are now accessible in the folder OldInbox. I still get the error message when I try to Get Messages. TB is still not downloading emails from the mail server. How do I get a functioning Inbox?

Hallo Up the 4th of October all was ok (see Pix 32), after the 4th I cannot send emails. Error message is Pix 36. Output settings Pix33. Input settings Pix 34. Thunderbird version Pix 40. Zonealarm Pro Version Pix (41).I have a newist laptop with windows 10

Workshop PC Windows 8.1 Pro is set for auto daylight savings adjust and has the correct time. rastas@rastaselectronics.com.au is arranged through VentraIP. As shown by Pix 36 all has been ok since The Messaging Co took over from Internode.

Laptop I have a newish laptop with windows 10 (fully updated) and with the latest versions of Thunderbird plus Zonealarm. This laptop can recieve but not send as well.

I've turned off Zonalarm on both and tested to no avail.

Cheers

Problem: newly added account disappears when TB is closed. Thunderbird on this PC (Dell Latitude 6540) has held a Verizon account for years. The "new" account is a different, equally old Verizon account kept on TB in an identical PC I no longer use. When added to TB on the present PC it tests and works fine until TB is closed. Repeated numerous times. Having read thread # 1286437 I did what follows , to no avail: 1. tried TB in troubleshoot mode; 2. tried in Windows safe mode; 3. cleared startup cache; 4. drastically pruned old emails; 5. looked up profile folder under troubleshooting info. Folder qxxxxxxd ( size 1.18 GB before adding new account) holds one folder tree, one directory tree, but NO prefs.js file. Instead, twenty-two prefs-xx.js files from 1 to 22; removed all to a thumb drive except prefs-1.js which I dared not rename as prefs.js; 6. found two profile folders, both labeled default. One is the above holding 1.18 GB, the other holds 685 MB (probably harmless and related to an old university account no longer extant). I copied both profile folders to a thumb drive. Note: profile folder qxxxxxxd is clearly engaged in what I am attempting. When TB is open with the added new account working -- which is the case as I am writing --, profile folder size increases from 1.18 to 1.20 GB and the number of folders increases by one (under "Mail" the list of pop.verizon-xx.net sub-folders increases from 17 to 18). Please advise on what to do next; I am 86 and no software geek, but can follow instructions... Thanks --Paul

I read on the internet that if I go to Mail then the body of the email should be available when blank in above subject files/folders. This does work, but it has only just started happening. Internet information says due to out of date apps, does this mean Thunderbird is out of date and needs updating because usually the updates are automatic? Or does Thunderbird need to look at the problem and fix, I shouldn't have to go to Mail each time an email body is blank. Not all emails are blank. Appreciate your assistance.

Can this be doctored to send via Thunderbird? If so pointers would be apreciated! Sub FredWeeklyReport() Dim OutApp As Object

   Dim OutMail As Object
   Dim MyAddress As String
   Dim MyAddress2 As String
   Dim Response
   Set OutApp = CreateObject("Outlook.Application")
   Set OutMail = OutApp.CreateItem(0)

   On Error Resume Next
   
   Response = MsgBox("Fred. Hide all invoices, check worksheet is up to date", vbOKCancel)
   If Response = vbCancel Then GoTo ExitLable
   'Worksheets("Sheet19").Visible = False
   MyAddress = Sheets("Work summary").Range("Eddress1").Value
   MyAddress2 = Sheets("Work summary").Range("Eddress2").Value

   With OutMail
       .To = MyAddress
       '.CC = MyAddress2
       .BCC = ""
       .Subject = "Fred - PM - Weekly report"
       .Body = "Attached please find my weekly report. Regards, Peter"
       .Attachments.Add ActiveWorkbook.FullName
       'You can add other files also like this
       '.Attachments.Add ("C:\test.txt")
       .Send   'or use .Display
   End With
   On Error GoTo 0

ExitLable:

   Set OutMail = Nothing
   Set OutApp = Nothing

End Sub

Out of the blue, my Mozilla Thunderbird emails quit coming in. I paid a guy to get 2 weeks worth of emails to come in and thought the problem was fixed. Next day, same problem - no new emails coming in. What is happening? I need help.

I am unable to send any messages. Getting this error message - An error occurred while sending mail. The mail server responded: Resources restricted from 69.115.218.69 - try again later (AA,31).

It will list whatever address I am sending to or one off of a group. If I delete the one address it lists out of a group I get the same message with a new address cited.

Any suggestions?

Constant blue circle timeouts when trying to open emails or send. Everything stops while the blue circle of death throbs for up to 30 seconds every time. Makes every email sent and every one marked junk or otherwise take forever.

Help.

Platform is Linux Mint 21.3 Cinnamon Thunderbird 115.16.0esr (64-bit) I must have caused this problem while making a mistake while adding a google gmail takeout file to local folders.

Now account settings shows Local Folders / Local Directory as:

   /home/xyz/Downloads/Google Takeout/Takeout/Mail

In Local Folders the Outbox folder properties location shows:

  mailbox:///home/xyz/Downloads/Google Takeout/Takeout/Mail/Unsent Messages

In another Linux system Thunderbird shows Local Folders / Local Directory as:

  mailbox:///home/xyz/.thunderbird/g44es9f2.default-release/Mail/Local Folders/Unsent Messages

Which tells me basically where it should be pointing.

I tried to change (in account settings) Local Folders / Local Directory using the Browse... button but the Select Local Directory window doesn't give any access to the .thunderbird folder.

How can I change the account settings Local Folders / Local Directory back to what it should be?

Ich muss beim versenden ein Passwort eingeben. da ich aber das passwort nicht mehr weiss habe ich versucht ein neues einzugeben. das hat leider auch nicht geklappt. ich habe auch versucht mozilla thunderbird zu deinstalieren und dan wider neu zu instalieren, aber das hat auch nicht geholfen.

was kann ich tun?

mit freundlichen grüssen harry bodemann