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CertPathValidatorException: Trust ancor for certification path not found. This is the error message on my android11 phone. certifikatfel för ken... Kontrollera dina serverinställningar. in native language is the second error message. What am I to do about it?

Need help with TB for Android. Downloaded the app; used QR code to transfer data. Everything transfered quickly. However, I cannot receive email. Can't find any general settings that address this issue. Have used TB (Beta) on my laptop for quite awhile and have no problems with it.

I have the Android T-bird app on my Google Pixel 9.

I am having constant problems with it not syncing.

This morning, when I swiped down, the kept spinning but did not connect. When i tapped the sync icon at the bottom left of the screen, nothing!

Nothing changed after rebooting the phone, which BTW takes almost twice as long as the reboot on my previous Samsung phones.

I have now uninstalled and reinstalled, and imported my settings using the QR code on my desktop. It imported my accounts, but asked me to sign in or sign in later. There is no link for signing in immediately, and sign in later does not allow any sign in opportunity.

I now have no emails imported to the app.

Any help would be appreciated

Using Thunderbird for Android on a Chromebook, I can't see any text formatting controls in the Compose window. Like bold, lists, etc. I've tried in Portait, Landscape, and Resizeable.

How to use the codes from my encryption key to get signed back in and recover my data after accidental app uninstall new device or force factory reset and not use sign in witg google or linking to any other account

Hi everyone,

I experience an issue, where opening and/or saving .ics calendar files attached in the emails is not possible. Instead it is opened or saved as text or HTML. There is no issue on using another mail clients/webmail. Is this common issue or only from my mail provider? (infomaniak)

Hello, I just organized Thunderbird mobile on my Samsung tablet. On the desktop, Thunderbird shows a menu and a address book. When I get an Email I can save the mail address in my address book. But, Thunderbird mobile doesn't show a menu nor a address book and it does not use the contact saved at the tablet. Can anyone help me to solve this problem? Thanks a lot!! Regards, Monika

Hallo, kürzlich habe ich Thunderbird mobil auf meinem Samsung Tablet installiert. Leider zeigt die App keine Menüleiste und keine Option eines Adressbuches. Dazu greift Thunderbird auch nicht auf gespeicherte Kontakte zu. Bei der Desktopversion wird sowohl die Menüleiste als auch ein Adressbuch angezeigt. Könnte mir bitte jemand behilflich sein, dieses Problem zu lösen? Vielen Dank! Grüße, Monika

Dear Community

i use the Thunderbird app for Android (Samsung S23+ Android 14, OneUI 6.1) to retrieve emails from a mailbox (IMAP). That works. Now I would like to automatically forward incoming emails to other email addresses according to filter criteria.

I have filters for this in the desktop version. But I can't find them in the app. And the filter on the PC only works when the PC is running. Which it shouldn't. The forwarding should be done in the Android app. There is no access to a webmailer.

Many thanks for your help and happy easter, Michael

Sometimes when I get an email these weird characters show up. I did make a search for it and it seem to be some formating for text. I guess this is somthing that need to be addressed by the dev team?