KMail and innbox 3.5.0 3.5.1

Hello List, My question is, have any the same Problem with Mail in the Innbox. after the update, a have some mails for 4-5 x again the equal Mails in the Innbox. i can clean up, with the duplicate Featcher but this is not the best Idea. I don't like this ;). Or have your hear something, it gives Problems with imapd and or Postfix , i can't found any in the logs from my server :( ? -- mit freundlichen Grüßen / best Regards, Günther J. Niederwimmer