From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; nl-NL; rv:1.7.12) Gecko/20050922 Fedora/1.0.7-1.1.fc4 Firefox/1.0.7 Description of problem: Kmail/Kontact crashes every now and then when my wireless connection drops out. Version-Release number of selected component (if applicable): kdepim-3.5.0-0.2.fc4 How reproducible: Sometimes Steps to Reproduce: 1. Start Kontact 2. Wait for network connection to drop (or make it drop) 3. Actual Results: Kontact crashes with backtrace. Expected Results: Error saying that network connection dropped and Kmail will try to connect as soon as it comes back up (std. error message). Additional info:
Created attachment 123481 [details] Kontact backtrace
it should be fixed in KDE-3.5.2. It's available in FC4 update. You should please update to new version. Thanks for your report.