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I have upgraded to TB153.0.3ESR. I've been on the ESR stream for a long time now. But recently, I started having trouble with my google calendar appearing. I've deleted the provider plugin, I've moved to OAuth2, and for the most part, calendars that I have that are read-only from google show up all the time. But my personal read/write google calendar will not show up.

If I go in and delete the cache.sqlite file, and then start Thunderbird, my entries show up. However, if I switch to a different week, my read-only calendars still show up, but my personal calendar goes away.

I've tried everything listed in all of the steps to fix this, but I can't find anything that gives a clue as to what is happening. Anyone else see this?

Steve.

Hello,

I am experiencing an authentication problem with an iCloud Mail account in Thunderbird 153.0.3 (64-bit) on Windows.

The iCloud Mail account itself works normally. I can access my mailbox through Apple's web interface, and I was also able to add the same account to Microsoft Outlook and successfully send an email from it.

The problem occurs specifically in Thunderbird.

When I initially add the iCloud account to Thunderbird, the account connects successfully and my mail is downloaded. However, after completely closing Thunderbird and launching it again, Thunderbird asks me to enter the password again. When I enter my current Apple app-specific password, authentication fails.

I have already generated several new app-specific passwords and tested them. I also tested both the username without the domain and the full iCloud email address as the username. The result is the same.

Current IMAP settings:

Server: imap.mail.me.com Port: 993 Connection security: SSL/TLS Authentication method: Normal password

Thunderbird does not offer OAuth2 as an authentication method for this account. The available methods are Normal password, Encrypted password, Kerberos/GSSAPI, NTLM and TLS certificate.

The Thunderbird log shows that the connection to the Apple IMAP server is established successfully. The server reports the following authentication capabilities:

AUTH=ATOKEN AUTH=PLAIN AUTH=ATOKEN2 AUTH=XOAUTH2

Thunderbird then attempts PLAIN authentication, but the server responds:

NO [AUTHENTICATIONFAILED] Authentication Failed

Thunderbird subsequently tries the old-style authentication method, which also fails with the same error.

I have also tried changing the IMAP port from 993/SSL-TLS to 143/STARTTLS, but the connection to imap.mail.me.com:143 fails as well.

The most unusual part is that the account works immediately after being added to Thunderbird, but stops authenticating after Thunderbird is restarted.

Could this be related to Thunderbird's handling of iCloud app-specific passwords, the password manager, the Thunderbird profile, or a compatibility issue with the current Thunderbird version?

I have attached the relevant Thunderbird IMAP log.

Thank you.

I am using on Mozilla VPN on my Linux computer. Thunderbird is my email program. My ISP is Spectrum. I have a very old rr.com account. When I instruct Thunderbird to "get mail", it gives me a pop-up "Thunderbird connection to server mail.twc.com was reset". The only way to stop this is to disconnect my vpn.

Is there a way to stop this behavior? I would prefer to leave the vpn on at all times.

BTW, I am in the U.S. and select a location in the U.S. for the vpn.

Thanks.

Like this one:https://support.mozilla.org/en-US/questions/1180585

This problem is alive and kicking. The solution is no longer a solution.

Contacts stopped syncing with Gmail. Followed various troubleshooting including deleting address book and trying to reinstall, and cannot reinstall Gmail address book.

Contacts stopped syncing with Gmail. Followed various troubleshooting including deleting address book and trying to reinstall, and cannot reinstall Gmail address book.

Recently updated to ESR Meadow.

Now when I try to save attachment from an email by dragging and dropping to desktop, Windows pops up "Error Moving File or Folder - Unspecified error" and the operation fails.

And when I try to save attachment from an email by right click > open > Save dialog, the save filename is always "nsmail" but with the original file extension. E.g. a jpg attachment would come up as "nsmail.jpg", and a txt file attachment would come up as nsmail.txt. It does then save it, but why lose the filename?

It used to preserve the attachment filename, I'm sure! And drag and drop to desktop was such a convenient feature!

I have tried in Troubleshoot mode and behaviour is the same. I have tried in Windows Safe mode and behaviour for Save is the same; but drag and drop is completely disabled there (when I drag it, it shows a circle with line through icon).

Is it just me?

Been using Thunderbird for a number of years but recently the SSD on my laptop became corrupted and I had to buy a new one and install TB and restore my profiles from a backup.

I have two accounts and switch between them with Profile Manager.

The new laptop is an ASUS Vivobook with Win 11 Home and although TB runs ok the first time, if I close the current session and try to open the other account, nothing happens when I click on TB icon on the taskbar. IF I wait for around 5 minutes then it will run

Checked in Task Manager and cant see any instances of TB running, so any thoughts on what's wrong. Does not matter which order I open the accounts.

After returning from a 6 day vacation, my wife attempted to download email from her Yahoo email account. There are nearly 200 messages that have piled up but they aren't moving. I've uninstalled and re-installed TB. I've uninstalled and reinstalled the app password in Yahoo. There is no problem with accessing the email via any web browser. I spent 49 minutes on a tech support call with Yahoo and they have said the problem is with TB because they repeated the same steps I have. I checked firewall settings and the only antivirus program on the computer is Malware Bytes and it's not running in the background. The version of TB is the most recent as of yesterday. I don't see any sketchy looking emails in the web version of Yahoo Mail when it's opened. It's set up as a POP3 account and has been since Cox Internet gave their email over to Yahoo. I'd appreciate any assistance in resolving this because it's currently above my pay grade and tech support at Yahoo.

Hi, I have two accounts in my Thunderbird. They are Gmail (regular gmail account) and CFCC (an institutional account). The CFCC shows up in my Unified Folder list but the Gmail does not. Is that normal? The main Inbox is showing all incoming emails from both accounts so no performance issues, just wondering how to get rid of the CFCC (if that's possible) to eliminate clutter. Thank you. GES

Goedendag, Ben zelf nieuw in Thunderbird. Ik heb diverse mailaccounts en ik zie een Verzamelmap staan met daarin ondermeer de Concepten en Verzonden mails. Deze zie ik liever per account weergegeven worden, kan dat?

Ik gebruik IMAP op al mijn accounts, na het instellen zie ik per account wel al mijn ontvangen mails staan, maar niet de verzonden mails? Ik denk dat dit inherent is aan mijn vraag, maar hoe kan ik dat dus oplossen?

Tot slot zie ik Mail-conversaties staan van berichten en hun antwoorden, maar dat wil ik helemaal niet. Ik wil gewoon alle berichten op datum & tijd gesorteerd zien staan. Hoe krijg ik er die conversaties uit?

Dank voor alle hulp alvast!

Groet, Pico

I have four AOL-based eMail accounts I follow on TB; let's call them A, B, C and D. The folder contents on A & C are correct. However, for some odd reason, TB is placing the contents of A's eMail folders in B and in D! I have deleted the accounts twice, closed TB, re-started, and re-added B and D accounts, but the contents still are of A's eMails?!? Please help!

Why is Thunderbird email for PC and Android suddenly loading and syncing so slow this week...very frustrating. I have a gmail email...gmail site is fine. I've compacted all folder, etc and IMAP server server setting for years.

Each time I open TBird, I get a message at the bottom left of the screen telling me that TBird has deleted X number of messages. I do not want TBird to ever delete any messages. How do I turn this automatic delete function off?

Thunderbird has stopped receiving or sending email. I just tried to send a message and received the following error message: "Sending of the message failed. The message could not be sent because the connection to Outgoing server (SMTP) smtp.gmail.com timed out. Try again." This has been a problem for several days. Potentially since the last update. Please help. Thank you.

My problem is that I can’t get into Thunderbird because each time I start it up I’m presented with a window that says "System Integration" (Not Responding)" and I have no way of making progress – all I can do is use Task Manager to exit TB.

The “system integration” window first appeared a few days ago and initially I was able to dismiss it by choosing the “Skip integration” option. Today was the first time it became unresponsive. No changes have been made to the system and TB should be up to date – though, not being able to open TB, I can’t check the version number (probably esr).

I have used TB for many years and have it installed on two PCs, both running on Windows 11. It’s working as normal on the other computer.

I’ve tried rebooting the computer, to no effect. I’ve also tried to open TB in troubleshooting mode but can’t get past the "System Integration" (Not Responding)" window.

It’s been a couple of months since I backed up so I’m really hoping there will be a solution that preserves all my emails, address book and calendar.

I’d be very grateful for any suggestions.

My computer unexpectedly shut down when the power went out. When I try to open Mozilla Thunderbird, it doesn´t respond. Messages appear on the tabs at the top and a dot flashes on one. When I press anything, the text turns gray and the program doesn´t respond. I´ve turned off my computer many times, and that doesn´t help. I´ve also deleted a locked file according to the instructions. The situation is the same in Safe Mode, and it doesn´t help. What should I do now? Thank you!