kmail has messed up the email accounts

[test]

On 6/3/20 11:21 AM, Anders Lund wrote:
> Please stop. Find a mail client that suits your needs better, og live with
> spending the few minutes to set up kmail to your likings, it is really not
> that hard!

Please tell me how to do that.  I have asked several times how to do 
that.  Currently, I can not set up anything in kmail because it only 
shows a dialog saying it doesn't work and then quits or crashes.