i've read about this... this is the first time i have experienced it. what do i do?

[Jörg Schaible]

On Tue, 25 Sep 2018 09:45:36 +0100 Ianseeks wrote:

> On Monday, 24 September 2018 20:14:46 BST salamandir at hybridelephant.com
> wrote:
>> kontact 5.7.3, kubuntu 18.04
>> 
>> i've read about this happening on this list many times, but as it never
>> happened to me, i didn't pay attention to what to do to fix it.
>> 
>> i've been struck with the "Retrieving Folder Contents -- Please
>> wait..."
>> problem: i start contact and, instead of seeing individual messages, i
>> see "Retrieving Folder Contents -- Please wait..." pretty much
>> regardless of what i do.
>> 
>> it seems to go away, sometimes: i can start it, sometimes, without that
>> message, but as soon as i move a message to a new location, or delete a
>> message, i get "Retrieving Folder Contents -- Please wait...".
>> 
>> please help! 8/
>> 
> Unfortunately you'll probably need to upgrade to the latest versions of
> kmail and related software.  This was a problem a few years ago and it
> improved over time until now when its not a problem anymore. I'm not
> sure if its a mysql or akonadi problem but its not a kmail problem
> itself.

So? Don't you think 5.9.1 is new enough? I have to do this at least all 5 minutes - often more frequently when 
reading mails.