mails are multiplying themselves after migration to kmail2

Hi,
I observe a strange behaviour of my kmail2 client after migration. After kmail 
start elder and already distributet mails appear once more in the inbox 
folder. Short after this they are properly distributet to subfolders according 
to my filter rules. If i delete these mails or not somehow the numer of 
identical mail copies increases in subfolders. I discussed this in:
http://forum.kde.org/viewtopic.php?f=20&t=97205&p=209014#p209014
without finding the solution.
Any hlep is appreciated as it is difficult to use kmail program now.
regards
Zbigniew Lisiecki
-- 
http://zbyszek.evot.org
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