Strange issue with "vituosobackend" + KMail

[O. Sinclair]

On 08/10/2012 20:59, Valter Mura wrote:
> Hi All
>
> after several months of use of Thunderbird, I "restart" to use KMail.
>
> It seems to work well, even if I'm experimenting a slow behaviour using  one
> pop3 account, while my IMAP accounts are working quite well.
>
> Please note that I have a very old system:  PIV 2.8 Mhz / 1 Ghz RAM / 512 MB
> video card, so I could safely say that the program is presently working quite
> better.
>
> I only have, hopefully, an issue with the "virtuosobackend", that it's not
> working, because Nepomuk cannot find its configuration, so it autodisable the
> semantic desktop and I cannot use the auto-completion and some other
> features.
>
> Any suggestions/hints, please?
>
> Thanks and regards,
>
This blog posting is very clear on this issue:
http://blogs.kde.org/node/4503
title: Akonadi misconception #1: where is my data?

there is also postings in kde forums on forum.kde.org regarding KDE PIM 
and several of these deal with location of email and how to find them in 
case of Akonadi crash/problems.