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Hey there. Hope you're all doing just fine.

TL;DR Tried moving all my email messages from GMail to Infomaniak. Worked fine because I can see all my old GMail messages now on my Infomaniak Inbox using Thunderbird on my PC. But my phone refuses to show me the latest messages. It only shows me messages from 2025. --- Now with a lot more detail. I use Thunderbird as my email client of choice on both my Android phone and on my Linux (Manjaro) PC. TB on the PC is running 140.8.1esr 64 bit flatpak installed. TB on my phone reads 16.1 and has been installed from the github repository using Obtainium. I use IMAP for receiving and SMTP for sending. No POP3.

I have two email accounts. One at GMail and another at Infomaniak. Up until recently, I've only had the GMail account set up on both my phone and PC. I've been using Infomaniak as webmail just for testing. But recently I've decided to add Infomaniak's to both my Thunderbirds and move all my emails from GMail to Infomaniak. I used Google Takeout to download the mbox files (inbox, archive and sent), then using my PC I loaded the mbox files in my "Local Files" and finally I moved the messages to my Infomaniak correct IMAP folders.

It all looks just fine in my Linux PC. But on my phone I can only see messages from 2025 on my inbox. And I have many messages from 2026. I can see them using TB on my PC, or via the webmail. They just won't show on my phone.

EDIT: It only shows me messages from 2025 and prior to that. But it doesn't show me all messages from 2025. Many messages from 2025 are also missing. And from previous years too. This is not happening on the inbox folder only. It is also happening on all the other folders too. It's as if TB was filtering the messages. It's driving me nuts.

I've already tried clearing TB's data and import my settings. Still only have messages from 2025. What could be going on with Tbird on my phone?? Thanks in advance. Cheers

My company uses your email software and everyones email is not working. For example, my email (madison.l@valleyhha.com) does not allow me to send messages without an error popping up (Your message was sent but a copy was not placed in your sent folder (Sent) due to network or file access errors. You can retry or save the message locally to Local Folders/Sent-madison.l@valleyhha.com.)

This goes for my entire staff of 20 people. Same error, also all my unread messaged in my inbox have now disappeared. Not only that but we are also not receiving any new emails either

seem to have a problem with OAuth2 and my aol accounts in thunderbird. can't send or receive emails to/from my aol account on thunderbird. this seems to have something to do with change to OAuth2.

For some time now my primary email address gets wiped clean every night and is empty every morning. I have to transfer received mail to another input address to keep it safe!

I send out golf group e-mails. I have myself (e-mail address) in the group, so it will also come back to me. The server keeps rejecting my group e-mails because it says my e-mail address is incorrect, I have checked it several times and it is correct. I even edited it to be sure. Why is the server still rejecting it?

Thanks for your time....Paul Smart psmart@triad.rr.com

I can receive mail fine. Cannot send mail on gmx.co.uk acct, but gmx.net works on oauth2. But oauth2 is missing on gmx.co.uk It's just not on the pulldown. I tried a new thunderbird acct for gmx.co.uk but oauth2 is still missing.

I am unable to send emails (but can receive). When I try to send an email with an attachment, I get the pop up that states "Login to server smtp.(companyemail).com with username icclabcalibrations@(companyemail).com failed". Once I hit "retry" twice, another message pops up that says "Sending of the message failed. The message could not be sent because the connection to Outgoing server (SMTP) smtp.(companyemail).com timed out. Try again." Once I try again, a third message pops up saying "Sending of the message failed. An error occurred while sending mail. The mail server responded: ...authentication rejected. Please verify that your email address is correct". I have made sure to check that the connection security settings are correct as well as the outgoing server settings. I have also edited my email and replaced it with "(companyemail)" for privacy reasons.

For no obvious reason, Thunderbird started complaining about my existing configuration to mail.com. I tried changing passwords, I tried rebooting the computer, but nothing would work. I kept getting the "invalid password" popup when trying to connect. I've double-checked that mail.com is still working (I can access all my email from the web client no problem).

So, eventually, I deleted the account from Thunderbird altogether and now I'm trying to recreate the configuration. Thunderbird recognizes mail.com and correctly deduces the server configuration settings, but it will not connect. When I try to add the account I get this message:

"Authentication failed. Either the entered credentials are incorrect or a separate username is required for logging in. This username is usually your Windows domain login with or without the domain"

Why on earth would a "Windows domain login" be needed for a web-based email location?? When I had the configuration set up before, all I had to supply was my email address and password.

Something in Thunderbird has changed and I can't figure this out.

Meanwhile, I have about 10 other email accounts set up on Thunderbird and they all seem to be working properly.

Would sure be nice to find a solution so I can get my mail.com account back on Thunderbird.

Thanks for any help you can provide.

1. Some messages come to my mobile devices but not to my Mac. 2. I watch a message down load but it doesn't end up in my inbox or junk folder. 3. Junk folder says there are 14 messages in it, but when I open it, it's empty. 4. Yes, I'm up to date with Thunderbird. Also, the Mac is up to date. Problem began before latest updates. I have shut down the Mac. I have quit the Thunderbird application. No improvement. 5. I use Comcast for my ISP.

My email is on a MS exchange server, and I have installed Thunderbird using Owl. My Thunderbird email is my main email. A couple of weeks ago, it stopped working, I then reinstalled Thunderbird, but I had trouble configuring it on the exchange server (instead of POP3 or IMAP). I can receive my email but I always get an error when trying to send email Can anyone help me? I'm desparate. My IT person wants me to switch to Outlook (which works).. I do not wish to switch. Please help.

Sent and received. Please notice the asterisks. Where do they come from? John

Message Sent: Fantasia I and II Georg Phillip Telemann 1681-1767 Kleine Passacaglia Michael Kuntz 1915-1992 Fair Phyllis I saw

Message Recieved:

*Fantasia I & II* Georg Philipp Telemann (1681–1767)
         Telemann’s Fantasias capture the brilliance and balance of the
         Baroque era—each movement a miniature world of counterpoint,
         grace, and invention.
*Kleine Passacaglia *Michael Kuntz (1915–1992)
          A modern take on a timeless form, Kuntz’s piece builds lyric beauty
          over a gently repeating bass figure. (See insert for more)
*Fair Phyllis I Saw* John Farmer (1570–1601)

So I have a couple of accounts that do this and not on others (Same domain and server) When the messages come through they are doubled like they are on a thread, but the same exact message. All settings in Thunderbird and the server email config are the same for all addresses,. I have three out of ten that do this for some odd reason.