I've switched to filtering after the messages come in by clicking 'Folder - Apply All filters on Folder' on the Inbox.
Just to confirm this has totally stopped the duplication in my case. Great to see we might be getting somewhere on this - thanks folks -- 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 -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs