Kmail where to change width of column in folder view

[Ingo Klöcker]

On Samstag, 20. April 2019 12:52:18 CEST Günter Lichtenberg wrote:
> I somehow managed to produce a very wide "Total" column in the folder view,
> so that I cannot see it together with the folder names.
> 
[snip]
>
> Where is this width stored? I am aware of the *rc files, but I cannot find
> the correct file or property to set the total column width  to a reasonable
> size again.

I think you are looking for

[CollectionFolderView]
HeaderState=...

in kmail2rc. HeaderState isn't a human-readable value. So, I suggest to simply 
remove it entirely (while KMail is not running). After restarting KMail the 
header of the folder view should be back to its initial state.

Regards,
Ingo