Part 2 of any progress on kmail in debian buster?

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On Monday, September 23, 2019 12:43:29 AM CEST John White wrote:
> The prior string was getting too long and most of the concerns set forth
> have been satisfied, thanks in large part to help from this list and in
> part to my correcting my own proxy error.
> 
> BUT, I still can't open some emails.  They are from reliable sources for the
> most part. I click on them in kmail 2 (pop-3), Debian Buster, and they
> won't open or mark as read.  Rather I get a little box saying "please wait
> while the message is being transferred" and, unless I immediately close
> that little window, after a  while kmail (and often the computer itself)
> freezes, sometimes requiring a reboot and sometimes just restarting kmail. 
>  When I go to folder and ask that all messages be marked as read, sometime
> it so marks them and sometimes not.
> 
> Any suggestions are appreciated.  I have a  funny feeling that the problem
> is still largely me and that I need to reconfigure kmail in some fashion.

akonadictl fsck