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Greetings

After updating to 140 (release update channel), IMAP folders keep downloading all emails in a folder, even though the vast majority of them are already local. I get the message "Downloading message x of y in folder" and it goes folder by folder, some of these folders have a lot of mail so this can take ages.

I do have a lot of folders and emails, I have tried compacting and searched for weeks, and only very old and not exactly this issue, any ideas?

Daveed

Hello,

I work in a dental clinic and my colleague and I no longer have access to our email inbox.

What can we do?

Please answer at this email mej@<redacted>.com.

Thank you

I have an intermittent problem deleting email. This is a recent problem that has never occurred before, so it may be a problem with a recent update. Usually deletion works fine, but occasionally when I try to delete a single email, nothing happens. If I shut down and restart Thunderbird, the email can be deleted with no problem. This seems to happen right after I "Get Messages", or after I try to delete while new messages are or have just finished loading. Any suggestions?

Is there a way (or can there be a way in the future?) of moving multiple messages from my Inbox to a different folder? I like to organize my email into folders, and currently I can only move them by opening each email individually and moving them. Being able to select several messages and move them would be great!

I've recently updated to windows 11 and downloaded the latest version of Thunderbird. For the past few days, I'm told that emails are downloading but nothing shows up in my inbox. I can still view my latest emails via webmail but not with thunderbird. I've contacted my provider and they believe the problem lies with thunderbird and not optus. I've also unistalled and then reinstalled thunderbird and the same problem remains. Can you please help? thanks, Rosetta

Since the beginning of July (latest update) Thunderbird cannot download any new emails. When I try to get new messages, it seems to connect to my optusnet email account, then it will say Downloading message 1 of 27 and after about a minute it just disappears. Then it says no messages to download. The little blue progress bar also disappears. I have checked the server settings. I am using Pop Mail Server, server name is mail.optusnet.com.au, user name is my email address, Port is 995, Connection is SSL/TLS and Authentication is Normal password. I have tried turning off Firewall and Antivirus and still not coming through. Its like it connects and it can see the emails but it cant pull them across. I am not a computer person. I dont know how to check any more than this. Please can someone help me. I have been using Thunderbird for many years and this issue has happened in the past but always resolved itself. TIA

I'm trying to better understand how Thunderbird communicates that messages are deleted to the servers of the respective email accounts configured as IMAP. Specifically, it seems that when moving a message from an IMAP folder, such as an Inbox, to a folder of a different email account or a Local Folder, the message disappears from Thunderbird but doesn't immediately get deleted from the server (I am checking by logging in through a browser to the email's web interface). Depending on the email provider, it may be marked or flagged as "deleted" or in some cases it just remains in the inbox (in outlook's web interface, for example, I can't tell if a message has been marked as deleted or not). Only later, after right-clicking on the respective inbox in Thunderbird and choosing "Compact" it deletes the message from the server.

I'm a bit confused now: All of my accounts are using maildir (https://support.mozilla.org/en-US/kb/maildir-thunderbird) as storage format, which I selected prior to adding any account. According to the information here (https://support.mozilla.org/en-US/kb/compacting-folders), "Compact does not apply to accounts using the maildir storage format". So for maildir accounts, why do I have a "compact" option at all and how come it doesn't delete messages immediately? Or perhaps I'm misunderstanding either what compact means or maildir or (probably) both? Is there a way to have Thunderbird simply delete (not just "mark as deleted") moved messages instantly?

I was under the impression that since maildir stores essentially one file per email message, that it would function like file management on a computer, so when moving a message from folder A to folder B the file/message would disappear from folder A, not that it would keep a copy "marked as deleted" in folder A. If anybody could explain this I would be most grateful.

I got a new PC with Windows 11. I installed Thunderbird 136.0.1 , activated the private calendar, and entered events there. For events with a reminder that have a specific duration (e.g., Wednesday from 10 AM to 11 AM), I receive notifications. However, when I create a full-day event and want to be reminded, for example, 1 day before, I don't receive any notification. Additionally, events with a reminder are not shown in bold in the calendar overview (whether they have a specific duration or are all-day events). Can you please help me?

The archived emails have disappeared from my folder, and I can't find the archive location. There is no reference to any archive in All Mail, where Settings is set to store the file. I've looked at all other folders, including Local, but find nothing. Searching for Archive gives nothing.

Hello!

I'm in the process of migrating from Evolution to Thunderbird, but I seem to have hit a snag. In Evolution, there is an "Archive" folder, which any archived messages go into (attachment 1). This same folder also appears in K9 Mail (my mobile email client), and similarly is treated as special. In that first attachment, you can also see the "Archives" folder created by Thunderbird, which Evolution does not give any special treatment to.

However, in Thunderbird, the "Archive" folder is completely absent, both in the folder listing on the main page and in the "Copies & Folders" settings where an Archive folder would normally be selected (figure 2). Notice that the "Archives" folder is still present, and is now given special treatment, but the "Archive" folder is absent. Checking the contents of the "Archives" folder confirms that it doesn't contain the emails which K9 Mail and Evolution have been archiving.

Is there a way to access those archived emails from Thunderbird?

Thunderbird Version: 128.12.0esr via Flatpak OS: NixOS 25.05 Email Host: migadu.com (IMAP)

Happy to provide any more info if needed!

Thanks!

Emi

All my Thunderbird Accounts do not receive any emails. What should I check to resume receiving emails? I did a quick test email on my gmauk account which I can only receive on a separate email service, but NOT on Thunderbird. Also, I tested my SMTP capabilities as I SENT an email to my gmail account, which was received. Please advise

Not receiving emails addressed to multiple recipients. Senders are in address book but the emails are not downloaded. Download message says "Downloading 1 of 12" but no messages downloaded. I cured this a couple of days ago by going into my webmail account and deleting a group email that seemed to be blocking my account. I tried that today with another group email but without result. This is a major problem.

Hi, I have been using Thunderbird for Android for about a month. Loving it. Easy to set up and use. I have three email accounts. The unified inbox showed all emails until yesterday. Now it seems to be showing random emails from all 3 accounts but not all. I have to go to each inbox to get the full overview. What can be wrong?

/Gumstar

Older messages in Thunderbird are listed but their content is not showing. I have been using TB forever and I never had that problem before. It is POP3. When I try Folder Repair, the program simply throws out all messages whose content is not accessible (so if my Sent folder has 40,000 messages it comes back with a Sent folder of 2,000). Clearly something got corrupted but I am not sure what. In the picture below, the header is visible but (a) not clickable (different header showing) (b) no content is displayed. I used to copy the content of the TB folder to my laptop and back (while keeping different profile names assigned during installation. The problem seems to have started when I changed profile names and began using identical profile names on both the desktop and laptop. Also, the total size of the folders is around 65Gb, in case there is a size limit. Any ideas? Thanks

I have used Thunderbird on my laptop for years and have never had this problem before. until last week. Thunderbird will advise that there are, say, 6 emails to download but it wont down load them. I can access them from my Android tablet and see them on my email server). An initial check online suggested there might be a space problem on my laptop. There was, and I cleaned up the contents of my laptop. Problem disappeared. Today the problem reappeared. Thinking there could still be a space problem, I cleaned out my considerable archive in Thunderbird. Restarted Thunderbird - no luck. There were a dozen or so emails on the server, and I could read them on my Android tablet. I rebooted the laptop. A message that it was downloading new emails, but nothing downloaded although they were still on the server. I uninstalled Thunderbird and downloaded the latest version. I could email from the laptop to the Android and reverse but nothing else. I deleted all my emails on the server. Any suggestions about how I should proceed? Regards Alan Brooks

All of the emails in my Archive folder and its sub-folders came up empty today 7/5/25, but were present yesterday 7/4/25. I have tried to locate hidden folders to restore them, but to no avail. The computer has not been rebooted. The content of all the other folders and accounts are as they should be.

Any assistance appreciated!

EK

Hi,

Since the last update, downloaded on 4 July 2025 to my computer, thunderbird will not download any new emails from my server.

Please assist.

Thanks,

Melissa

I have 7 RSS Feeds installed and working.

The problem is that 5 of them only update when I right click and update manually but the first 2 update normally when I select "Get Messages".

I've checked each feed and they all seem correct in Properties.

Anyone out there have a suggestion or solution?

Any help will be greatly appreciated.

Jim T