kmail does not show all folders

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From: Rainer Dorsch <[email protected]>
To: [email protected]
Subject: kmail does not show all folders
Date: Mon, 21 Apr 2025 17:45:32 +0200
Message-ID: <2781447.mvXUDI8C0e@h370>
Organization: @home
MIME-Version: 1.0

Hello,

another issue I see in kmail (6.3.3 (24.12.3)) after upgrading to the upcoming 
Debian trixie from Debian bookworm with kmail 22.12.3 is that some folders are 
not displayed anymore on an imap account running on dovecot 2.3.19.1. I 
noticed so far only that ~10 subfolders are missing out of ~1400 folders.

akonadiconsole shows all folders.
If I open the server subscription dialog, I see all folders
If I open the local subscription dialog, the ~10 subfolders are missing
In kmails folder list, the ~10 subfolders are missing

What is super weird, if in one of the ~10 missing folders a new messages 
appears (inserted by server side filtering), the folder shows up in kmail's 
folder list again. But are gone after a restart of kmail (no matter if the new 
mail is read on not).

Any hints or ideas are welcome.

Thanks
Rainer

-- 
Rainer Dorsch
http://bokomoko.de/
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