old emails show as new

[Ianseeks]

On Thursday, 29 June 2023 16:06:36 BST John White wrote:
> I have had this problem for years on my Debian
> system.  Kmail 5.15.3 sometimes shows emails which
> I read weeks ago as unread.  I suppose this is
> something I need to correct in akonadi but it is a real
> bother.  Any suggestions?
> 
> John

I've not seen that for a few years but i'm running a later kmail than you 
5.23.2.

On the cli try running

akonadictl fsck
akonadictl vacuum

this tries to fixes problems

Other than that i have no solution.

opensuse:tumbleweed:20230627
Qt: 5.15.10 KDE Frameworks: 5.107.0 - KDE Plasma:  5.27.6 - kwin 5.27.6
kmail2 5.23.2 (23.04.2) - akonadiserver 5.23.2 (23.04.2) - Kernel:  6.3.9-1-
default  - kernel-firmware-radeon  20230620