Version: 1.9.6 (using KDE 3.5.6 "release 64.1" , openSUSE ) Compiler: Target: x86_64-suse-linux OS: Linux (x86_64) release 2.6.20-rt8-default Replication: Set up a filter: Trigger: - regex matches Whatever Do: - nothing Options: - If filter matches, stop performing filters Result: Every time KMail checks for mail, all recent mails which match the filter disappear one by one. They then reappear within 5 seconds, all at once.
Even if you have an option which does something, e.g. flags them all as important, they will all still disappear (and be marked as important).
*** This bug has been marked as a duplicate of bug 149441 ***