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Please, I need help. Bear with me while I describe the problem.

Let's say I have two email accounts set up, user1 and user2. Each one has been set up for quite some time and both have worked as expected for years. If I send an email from user1 a copy of the message drops in the sent folder of user1 and the reply comes back to user1, and if I send an email from user2 a copy of the message drops in the sent folder of user2 and the reply comes back to user2. Not any longer.

Now, if I send an email from user1, a copy of the message drops in the sent folder of user1 and the copy clearly says it was sent from user1's email. However, the reply comes back to user2's email inbox. The source of the message clearly shows it was sent TO: user2, Delivered-To: user2, Received: from line says it is for <user2>.

This has been going on since the latter part of last year.

Like the title says, I am getting some emails that move from Unified Inbox to an IMAP subfolder of account X, but remain visible in the UNIFIED Inbox.

First uploaded image shows 3 IMAP accounts as they appear in Thunderbird, second uploaded image shows how subfolders appear in IMAP account X (the third account in Thunderbird).

Mail is properly arriving in the 3rd account and shows up in both IMAP and Unified Inboxes, but only sometimes (and not with specific senders) can be moved into the 3rd account subfolder.

They are correctly removed from the IMAP Inbox but remain visible in the UNIFIED inbox and are found when I search in the UNIFIED inbox but not in the IMAP Inbox.

The messages persist in the UNIFIED Inbox through multiple restarts of Thunderbird and my PC, and some email continues to arrive in the 3rd account and cam be moved as expected, then another arrives that cannot be removed.

Strangely, if I delete the mail from the UNIFIED inbox, it is deleted both there and in the subfolder, so it appears something is making the display of the UNIFIED inbox keep a link to the new location of the email.

Bleah!

Any body see anything similar? I read several older threads about move problems, but this seems different.

Thanks!

Thunderbird BETA 135.0b1 (64-bit) Probably not very interesting but: Windows 11 Home; 23H2; OS build 22631.4751; Windows Feature Experience Pack 1000.22700.1055.0 11th Gen Intel(R) Core(TM) i7-1195G7 @ 2.90GHz 2.92 16.0 GB (15.7 GB usable) 64-bit operating system, x64-based processor

Depuis 2 jours, je ne peux plus envoyer de courriel avec ma messagerie Thunderbird. J'ai tout essayé, rien ne fonctionne !!! je me suis créé un compte Gmail et la, tout va bien. Je vais donc quitter thunderbird et par la même occasion firefox. Merci mozilla 111

Mail is downloading to Thunderbird, but is not going to inbox. I can only see it if I search in the universal search tool, asking to see all the mail from today's date. I can't figure out where it's going! This is a new issue, after thousands of successful downloads from my domain.

I changed from POP3 to IMAP and when I reconfigured TB 78.14.0 all seemed good until I tried to call up messages in subfolders of the INBOX. The folders and content are still on the server and it seemed impossible to subscribe to the INBOX in TB. The INBOX itself still functions with new mail and older content showing. The locations of the subfolders had an IMAP mention in the directories that was additional/instead of simply ....'mail.xxxx.xx' but changing to IMAP instead of 'Mail' in the server settings was futile. A deep dive into mozilla resources led to mention of leaving empty the IMAP server directory field (Server Settings>Advanced), and putting "INBOX." (with the following period critical, but quotes not) in the personal namespace field. See: https://kb.mozillazine.org/IMAP:_advanced_account_configuration This worked! However under 'personal namespace' it reverted to double quotation marks ("").

Pourrais -t-on avoir un onglet "Contacts" dans l'App Android ? Ce programme pourrait éventuellement se connecter à différentes boîtes mail (Google, Orange,...) et fusionner tout cela dans une seule et même boîte. Mais je rêve peut-être... l'App Orange le fait mais il faut une ligne téléphonique Orange , dommage.

Receiving the above message when trying to get emails. Am able to receive emails on cell phone which is not with Thunderbird email. Made no changes to Thunderbird. Started about 2 days ago. Spoke with our email provider and they say it is specific to our Thunderbird email.

Entire message reads - " The certificate for pop.starpower.net is not valid for that server. Someone could be trying to impersonate the server and you should not continue "

                                                                                                          Thanks,
                                                                                                       Mike Worden

I have a block of emails in my inbox that I cannot delete. I can delete emails above the block and below the block. There are four emails received on December 24. They will not delete. I deleted the trash files from the profile folder and still no success. I also restarted Thunderbird in safe mode. I am using version 128.6.0esr

Hi. I received an email sent to a gsuite group that has several subgroups and I am a member of one of those subgroups. I clicked reply on my thunderbird beta for android, and instead of replying to the sender, I replied to the subgroup I am a member of. I think there is a mistake somewhere.

For a few days, on all our PCs, when I forward certified emails (PEC) the body of the email is empty! This only works if I forward "as attachment" otherwise the body of the email is empty without any attachment. It only happens with PEC (Certified Email) emails, while with "normal" emails everything is fine. >> In the menu bar Select Tools-Options-Composition-General option is set to Inline.

Has anything changed? Anyone have this problem? I've really tried them all!

thanks

TBird 128.6.0esr on W10 .. something has changed ..emails are coming in to Optus australia webserver as usual , but not available in TBird automatically , and cannot retrieve via "get messages"... can read ,print on webserver.

.how can i check what are my existing preferences ? what are the latest IMAP and POP settings ? how can i update those settings on an existing account ? or how re-enter those settings.

also can compose emails in TB as usual , but cannot send emails .. help , please..

ADDED 170125 .. ? my Thunderbird cert-override.txt file ( in Profiles/nm51xqxl.default shows : (( cert_override.txt shows :

1. PSM Certificate Override Settings file
2. This is a generated file! Do not edit.

smtp.optusnet.com.au:25: OID.2.16.840.1.101.3.4.2.1 3C:AF:26:F5:CA:28:BF:36:E8:4D:B5:8C:E2:71:79:4A:68:E8:08:93:92:18:74:7B:57:74:F6:24:53:67:9F:1F )) is this correct , or should it be pop ? thanks

I've just installed Thunderbird 8 and my three email accounts on my Android phone. One is for my own "xxx.co.uk" business domain, but every time I send an email from that address it bounces back. My host provider has examined the headers generated by Thunderbird and cannot see a problem, and suggested it might be a Thunderbird bug? I've adjusted the initial SMTP settings to match those on my desktops, but no luck. Any ideas?

Hi there, I set up a filter with action "Reply from Template". The template message looks to be okay and displayed normaly when sending directly. But if the message is sent using the filter, it shows a lot of unnecessery "text" and it is not displaying some of characters correctly. Any suggestions? Difference showed in images bellow.

Bonjour, J'ai effacé par erreur un dossier et ses sous-dossiers directement dans ma messagerie Orange. J'ai ensuite installé Thunderbird qui voit ces dossiers dans la poubelle mais ils restent désespérément vides des mails qu'ils contenaient. Est-il possible de les récupérer malgré tout svp ?

Thunderbird. When I open an incoming email (double click) it goes immediately to single window in compose mode, with my name as sender instead actual senders email address. There is message at bottom “A unique identity matching the From address was not found. The message will be sent using the current field and settings from identity (my name)”

This happened just today (16 jan 2025). Previous email already received and read without any issue, also come up in the compose message mode.

I have win 10 installed on desktop. Thank you Steph

Hi all, When I reply to an email after I click send, the email is somehow not sent to where it should be going but comes back to my inbox. If I select that incoming email, go to the Message menu, select Edit as a new message, and just send it straight away, it gets sent to where it should be and is put into the sent box as well. Is there something I've done wrong in the background, or is it a bug. Thanks in advance Steve

Hi,

  Thunderbird on Ubuntu for many years. Started from Ubuntu 20 or so it periodically stops receiving mails from pop yahoo account. Nothing described in community threads helps. It can be for month, two or three, then at some moment it starts receiving emails(nothing changed, even server not restarted, thunderbird keeps hanging not receiving emaiils) and receives for some period(can be couple of days or few weeks). after that it can stop receiving again and it hangs for long.
 This situation is for few years for now. last time it stopped receiving emails in mid of December. before this it was working fine for couple of months. 
 As nothing changes on my side I assume issue is on yahoo?

current release: Ubuntu 24.04.1 LTS 128.6.0esr (64-bit)

 When not receiving emails I can see following in error log:

op3.server2.1: NetworkTimeoutError: a Network error occurred Pop3Client.sys.mjs:380:18

   _onError resource:///modules/Pop3Client.sys.mjs:380

pop3.server2.1: SecurityError info: Pop3Client.sys.mjs:422:20

   _onError resource:///modules/Pop3Client.sys.mjs:422

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