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Having trouble setting up to retrieve mail from gmail.com. On attempts to setup auto or manual I get "400- Error Code - the server cannot process the request. It should not be retried. This is all we know. " I went to google for the port settings. What is wrong?

Dear Support, Is there a way to make all "new" folders and subfolders automatically default to my preferred format and column settings?

Every new subfolder I create has a default format I don't care for, which requires me to make multiple changes to get the columns I want, in the order I prefer, with an unthreaded view. I create as many as 20 subfolders a week, and am spending way too much time customizing each new subfolder to be identical to the others I've already created and customized.

I know how to customize existing folders and all their children, but this problem is specific to new subfolders. How can they be made to default to the same settings as their parent folder (and for that matter all the other folders in my library) so I don't have to customize each new subfolder?

I look forward to your help! Best, Judy (Jan. 5, 2024)

The latest version of Thunderbird does not seem to have a way to turn off automatic sending of public key and digital signature even when sending *unencrypted* messages. (Prior to 2020, I'm informed there was a way to uncheck "sign all outgoing messages" which I think might have addressed this).

Now letting everyone know my public key would be desirable, except bone-headed email systems -- such as Yahoo Mail -- seem to be more likely to consign my emails to the spam bin with these attachments to spam as being considered suspicious!

How can I have OpenPGP keys installed on an email account, set to not encrypt new messages, and NOT automatically send public key and signature attachments?

Perhaps I should mention that I am using the latest Thunderbird on Windows 11, via Proton Bridge, through the extremely infuriating Proton Mail service.

Thanks, Michael

I was forced into an IMAP email server when switching over to Allo Fiber internet. I now have several issues. I had 7 pop email accounts that all worked within Thunderbirds local folders. All 7 email accounts drop all their email into ONE inbox folder. Now, having a IMAP server and losing pop email service, I have to use message filtering to put all of my new email accounts into the one local inbox. It seems to work, but every new day, it fails. I turn off the computer, go to bed, wake up, turn on my computer, thunderbird then downloads email and like clockwork, message filtering fails every time. I then have to manually move all my email from all my different email accounts into the one local inbox. And sometimes that doesn't even work! I have to shut down thunderbird, restart it and try again to move the emails!!!! Come on Thunderbird...get your act together and get IMAP working just like POP does. I am pissed and am now looking for a different email software program!!!

I know that there are thousands of threads related to moving a profile, but despite having read many of them I am still struggling to move my profile (and I have been trying to do this for several years)

the Default profile is setting up under my Home directory that that is burning up about 10GB of space.

Folliwing Moderator Matt's excellent suggestions:

"so when you go to the troubleshooting information and select profile folder, where does it put you? In a different newly created profile folder. So copy everything to the new folder from the old one"

I DO finally seem to get all my old TB accounts and messages to show up from the moved location.

However, I can neither send nor receive email. which suggests that my Gmail IMAP and SMTP settings are wrong.

My IMAP settings are showing as: Port 993 Security: SSL/TLS Authentication: OAuth2

my SMTP settings are Port 465 Security: SSL/TLS Authentication: OAuth2

When I close the Newly moved profile and restart and specify the original profile (that is housed under /Home) the server settings there seem to be the same. But I am able to send and receive email under that profile.

what am I doing wrong?

Peter

My problem is everytime I delete emails in my Thunderbird inboxes they reappear again.

So I am requesting a solution to delete emails permanently and never for them to reappear again in my inbox?

Secondly how how to delete individual and bulk emails on Thunderbird inbox and they never reappear again?

HI. On debian 12.8 snap installation of thunderbird, the import from previous profile fails to import messages. I think the problem is because the install procedure creates the subfolder of ImapMail and Mail with the permission 555 instead of 755 or similar.

The error console reports: NS_ERROR_FILE_ACCESS_DENIED: Component returned failure code: 0x80520015 (NS_ERROR_FILE_ACCESS_DENIED) [nsIMsgPluggableStore.createFolder] 2 Pop3IncomingServer.sys.mjs:137

   createDefaultMailboxes resource:///modules/Pop3IncomingServer.sys.mjs:137
   loadPostAccountWizard chrome://messenger/content/messenger.js:486
   _loadComponentsAtStartup chrome://messenger/content/messenger.js:303
   InterpretGeneratorResume self-hosted:1417
   AsyncFunctionNext self-hosted:804

Hi, I'm coming to you with a bit complicated problem. Please be patient with my long explaining.

My wife's parents have each their laptops. I had installed Thunderbird to them years a go. They never had a problem receiving their mails until last week. Now they can't receive emails but can send. On the other hand they can receive mails on their cellphones but not send (Android phones, not Thunderbird app). I have checked Thunderbirds setting on their laptops, everything was okay.

I have 4 laptops my own. I am going to give them numbers that you can follow me better. 1) asus (my daily personal pc) win 10 home. 2) Linux (my bussines pc) Mint 3 &4 ) Fresh windows 10 pro installed unused pc. Only Firefox and Thunderbird are installed as extra.

I load parents' mail account manually to Thunderbird on my pc 2, 3 and 4. Result is the same, I can send mails but cant receive. I have created another mail account for them (same provider), result was also same (for pc 2,3,4). I have an email account on same provider, I load my account, resul is the same (for pc 2,3,4). I tried my other email accounts from another provider, all of them works perfect (for pc 2,3,4). So, I thought that the problem was on provider side. I called them and explained the problem. They said that all is ok on their side and I should contact to Thunderbird support. The name of provider is "YouSee" from Denmark.

But....... As a last thing I add their email account manually to my laptop 1 Asus. Then I started to receive hundreds of emails from their account, so their account worked on pc1. Then I thougth, if I transfer my Thunderbird from my pc 1 to 3 or 4 then problem will be solved. But didn't. After I moved my Thunderbird from pc1 to pc3 and to pc 4 parents account and my account on same provider (YouSee) could not receive mails but could send. All my other accounts from different providers worked perfectly on pc 3 and 4 after moving.

In some way, something is disturbing communication between Thunderbird and provider YouSee on all 5 laptops. All Thunderbirds on 6 laptops have same last version. I checked firewalls, Thunderbird has been marked on all of them. I blocked windows defender and firewalls, didn't help. I also tried all possible imap, pop3, cofigurations of the provider. I installed older versions of Thunderbird and tried, didn't work either. It can't be windows updates because all Windows pc er up to date. Windows version can't be the problem because my pc1 and parents' laptops have same Win 10 Home. It can't be Thunderbird updates because pc1 has some update as the others.

Can anybody help me to understand the reason of the problem? An email account can't work properly on 5 laptops but work normaly on the 6th pc while all provider and Thunderbird configurations are completely the same? What should I try more?

Thank you all in advance. Peyman A.

Whenever I try to send a message, I get this "Send Message Error - Sending of the message failed. An error occurred while sending mail. The mail server responded: steveklein@shaw.ca sender rejected. Please verify that your email address is correct in your account settings and try again. We have talked with Shaw and they say it is not their problem. My wife (lindaklein@shaw.ca) has no problem. I can get my email and send if I got to Shaw's website, but obviously I don't want to do this all the time. I want to use Thunderbird.

Unable to send or receive emails, via several gmail accounts. Thunderbird 128.5.2esr (64-bit); Windows 11 Home, 23H2 Have used Thunderbird and Gmail together for over a decade - various glitches along the way, but nothing for which some solution was not found, at least up until now.

1) On Dec 31, 2024, received an error msg "Unable to write the email to the mailbox. Make sure the file system allows you write privileges, and you have enough disk space to copy the mailbox." Thunderbird Inbox for that gmail account had grown bloated - in part because Message Filtering had stopped working (another issue...): moved / deleted a bunch of emails, and was able to receive new ones.

2) On Jan 1, 2025, ALL gmail accounts stopped receiving messages, initially with error of "Connection to server.pop.gmail was reset." As of today (Jan 4), all accounts are still non-functioning, but T'bird has given up even throwing up an error when attempting to retrieve messages. Attempting to Send a msg results in: "An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: Cannot connect to SMTP server 172.253.113.109 (172.253.113.109:587), connect error 10060."

3) Running Nordvpn and Norton security suite. Have defeated both, to no avail. (With close / reopen T'bird; Reboot system thrown in for good measure.) Note: Have ran both of those apps, with Thunderbird, literally for years without any known problems due to the combination.

4) Confirmed that the Gmail / Thunderbird settings agreed with Gmail recommendations (and each other).

5) Removed permission for one of the accounts from google's site, hoping T'bird would prompt for new one: no go. Then TRIED to Remove the Thunderbird-stored Account Password for that account, but was stymied by a "Windows Security" dialog asking for an Account PIN: Do not recall ever creating such a beast for Thunderbird, and none of the possible stored Passwords proved acceptable. Also wonder why a Windows Security dialog is being tossed up from within T'bird.) (The dialog box offers up a "try another way" option, but that simply calls up a prompt for Username / Password: NO COMBINATION of those worked. Note that ALL such combos are stored in Bitwarden and eWallet, and work for those same accounts in other access situations.)

Obviously a frustrating situation. Am posting this in the hope that someone will be able to provide suggestions. In the meantime, have decided that it may be wise to look for alternative email solutions, although that is definitely a Non-Optimal approach: am a fan of Copernic Desktop Search, which only works with either Thunderbird or Outlook, and I have much preferred T'bird over the years.

When compacting local folder in thunderbird I get error message ( The folder trash on local folders could not be compacted because writing to folder failed. Verify that you have enough disk space [which I do] ,and that you have write privileges to the file system, then try again.) and nothing will work on thunderbird afterward.

gmail via IMAP will no longer send or receive normally as of yesterday. No changes on my end.

Receive attempts - nothing happens Send attempts. This message: Sending of the message failed. Peer’s Certificate issuer is not recognized. The configuration related to smtp.gmail.com must be corrected.

The sent mail does not show in sent mailbox, but it does go through.

Thunderbird is in my list of 3rd party apps allowed access in Google account.

The Reply command no longer shows when I want to send an email back to the person that sent it. There is a note at the bottom of the email that says: A unique identity matching the From address was not found. The message will be sent using the current From field and setting from identity Vince Hunter < omni232@telus.net> Can you give me instructions in laymans terms to fix this bug and return it back to the way it was?

Just upgraded to a new system with Windows 11. Avast Security. Installed Thunderbird 128.5.2esr same as on old system. Migrated old emails using MozBackup. Worked great for a day. New emails, archived a bunch of emails to a local folder...

Next day after about 3-5 minutes Thunderbird shows the Hourglass and is not responding. Eventually will go to a greyed out window. I have to kill it with task manager. I noticed that in Activity Manager three calendars were syncing for a long time. Disabled all calendars.

Task manager shows CPU usage but 0 Network and 0 Disk activity. 3 sub processes but only one has CPU. Resource Manager shows CPU and 72 threads. Resource Manager - Analyze Wait Chain - reports "waiting to finish network I/O."

I've tried Troubleshooting Mode. Still froze during Troubleshooting Mode. I've tried moving a large local folder out of the mail folder entirely. I've tried clearing the startup cache. I've tried clearing the system temp folder.

I have a lot of accounts, saved emails and message filters. So I really don't want to start over again with an empty Thunderbird and reset up accounts.

I have the Owl add-on for Microsoft Exchange. However, Thunderbird will filter the messages and attempt to forward them but the following messages appear for each instance, "Sending of the message failed. The mail server responded: Request failed; Mailbox unavailable. Please verify that your email address is correct in your account settings and try again."

I have checked and the three E-mail addresses that I am attempting to forward messages are correct.

Help!

Hi,

I have done a bit os searching but don't seem to find a solution. I'm using what I think is the latest Linux version 128.5.0esr but as I am using it there are dialogue boxes that come up minimized and I find it annoying to have to drag the boxes to be larger so I can see what they are trying to communicate. Is this an issue with this version... if so is there a later version to correct the issue. I am trying to use Thunderbird on a Chromebook and seeing this issue whenever a new dialogue box pops up.

Thanks for any insight. Jeff

Having moved Thunderbird from Drive C: to Drive D:, space saving, and with everything working very well I note that my Address Book is still on Drive C:. Please advise how to move this to Drive D:. Happy New Year, and apologies for the timing of this question.

My filter logging stopped. Is there a limit on size or anything? Does it have to be periodically cleared? Yes the logging Radio button is ticked. Linux 64bit Name Thunderbird Version 115.16.0esr Build ID 20241009170210

Thank you!

I downloaded and installed Thunderbird for Android on my mobile (OnePlus Open) and imported my settings from my Thunderbird desktop. All four of my accounts showed up in the mobile app. During this process, the "Log In" button was grayed out. However, all I'm seeing is "Unified Inbox" and "Outbox" folders, and no email. What login or installation step am I missing?

‘Access Blueyonder .co.uk e mail account through Virgin Media linked to Thunderbird. On leaving Virgin Media advised i will lose my Blueyonder e mail after 90 days. Please advise.’ for ‘Thunderbird’ access outwith Virgin Media