[Bug 883459]

[Dandress2]

I had this bug a couple of years ago. It is more like a feature that can
be turned on and off.

Tools>Configure KMail>Accounts>Select Account>Modify
On the Advanced tab check Automatically compact folders (expunges deleted messages)

-- 
You received this bug notification because you are a member of Kubuntu
Bugs, which is subscribed to kdepim in Ubuntu.
https://bugs.launchpad.net/bugs/883459

Title:
  KMail duplicates emails

To manage notifications about this bug go to:
https://bugs.launchpad.net/kdepim/+bug/883459/+subscriptions