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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

Hello, I'm having a problem with emails on my computer and phone. Even though I have the "Don't delete messages from the server" setting, my messages aren't synchronized between my phone and computer. If a message is downloaded to my phone, it doesn't appear on my computer. What should I configure to prevent this from happening?

Looking at the screen, which identity does everybody think this message is going out as?

We observe those three possibilities. See the first image. Apparently the first possibility is the one that is chosen. I'm talking about just an email address with no name.

Okay, in the second image it turns out it was not the first possibility that was chosen it was the second possibility.

However at the bottom of the screen again we see it seems to be saying it was the first possibility.

No I'm not saying I ever expected it to be the first possibility. I'm just saying that this needs all to be 150% more clearer.

I'm not asking any questions I'm actually reporting of bug, yes.

I like very much Thunderbird very much, but I had to move recently to use an Android device, that is my main computer now. I normally work with four email accounts, and I sometimes need to move emails across different accounts. I found out that it is not working on the mobile app. Are there any plans to include this functionality in Thunderbird? Thank you very much.

Hello all,

Thank you for Thunderbird mobile!

I get a message not sent error when doing the following on Android smartphone: - click an email address link - create email opens - send completed email

Expected result: Email goes to outbox and is removed after sending

Actual result: - email stays in outbox and error cannot send is displayed - when moving email to Entwürfe and send again the sending succeeds, but email is present twice in sent folder

Please have a look!

Best regards Gerrit

I believe I found a bug. When drafting an email and switching away from Thunderbird the draft email gets sent but still remains in the drafts folder.

I created two emails today and had to switch away multiple times to get some information to paste into the emails. Thunderbird evidently sent out the draft in its current format whenever I switched away from the app.

I have install Thunderbird for android in a search to change the primary gmail app. I have found a "problem" for me. When I received a mail from gmail or yahoo i don't have any option to delete that email with the help of my watch. I have option to remove(notification) ,mark as read, spam and some others but i don't have the option to delete that email with the watch. I need to go to my phone and delete that email manually from the phone. On the gmail app i have that option.

Hello everyone,

Summary: I am trying to set up my gmail account on my new phone, but after (what appears to be) successfully logging in, the Thunderbird for Android application does not pull me back out of gmail. Instead, I remain logged in to my gmail account as if in a browser. As you can see from my photos, it takes me to the point where I am truly into my gmail inbox, but I am checking it as if in some sort of outdated browser and not as if in Thunderbird. I am stuck; sitting in my gmail account, logged in; able to view email, check and change account settings, even get onto other parts of my google account. Unfortunately, I cannot find a way to get back out of my gmail account that returns me to the Thunderbird for Android accounts setup process with a successfully login to gmail. I end up having to hit exit or to close the app, which causes the account setup to fail.

Expected Behavior: Open the Thunderbird for Android App. Setup new account (gmail which produces an automatically detected OAuth 2.0 method). Give login credentials, gain access to gmail, and then be auto-redirected back to accounts setup process in Thunderbird for Android with full IMAP + SMTP access to my gmail.

Problematic Behavior: Same as above, except I am stuck as if in browser mode. When I exit and thus am returned back to the accounts setup page, I receive a failed notice (see photo). Immediately afterward, I tried to setup an account for the same gmail address on an old android phone and successfully logged in as expected. How do I get back to the main accounts dialog with a success?

Notes: The new phone is a linux-based phone (Furilabs FLX1s) on which I have found Android apps to function without hiccup. It seems like In fact, the Thunderbird for Android app itself seems to function fine. It doesn't crash. It allows me to navigate through the app menus flawlessly.

Thanks for the help!

On the PC version you can trust a sender and allow the download of images with that sender's emails The Android version seems to default, sensibly, to making you accept images each time Is this likely to change?

I have a visual impairment. Iwould like to use Thunderbird for Android but after installation AND BEFORE CONFIGURING ANY EMAIL ACCOUNT, I need to play with it (specially settings), so I can check whether I can use it or not. Things like font size, theme and colors are crucial. But Thunderbird does not allow this. It requires an email account. It is a bit ridiculous, I don-t even know if I'll be able to use it!!!

Can anyone please help?

Thank you so much.

Any chance in a standalone Thunderbird calendar application to be put into works and have the possibility to be made for Android now that Thunderbird is available on Android as well, as I think it would be really great if I could have the benefits of both the Thunderbird email client and Thunderbird Calendar at the same time which would rival against other apps like Proton Calendar and Tuta Calendar.

It could then be featured on places like:

https://www.privacyguides.org/en/calendar/

https://privacypack.org/

Which would then hopefully increase the amount of people that use Thunderbird products.

Thanks for all the hard work the dev team has done for the Thunderbird email client for Android as i am really grateful for it as I use it as a gmail replacement until Thunderbird Pro is available to get a Thundermail email address, but I noticed a gap in the market for a standalone Thunderbird calendar app for Android and I think it would be a massive missed opportunity!