Version:           1.8.1 (using KDE KDE 3.4.1)
Installed from:    SuSE RPMs
OS:                Linux

When I configure "Delete Old Messages" for mail folders kmail crashes sooner or later.

Here's the backtrace:
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Using host libthread_db library "/lib/tls/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread 1105450400 (LWP 9875)]
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[KCrash handler]
#7  0x427cf8d1 in KMail::HeaderItem::irefresh ()
   from /opt/kde3/lib/libkmailprivate.so
#8  0x428ec2e5 in KMHeaders::msgHeaderChanged ()
   from /opt/kde3/lib/libkmailprivate.so
#9  0x428f228e in KMHeaders::qt_invoke () from /opt/kde3/lib/libkmailprivate.so
#10 0x410b1dca in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#11 0x42763407 in KMFolder::msgHeaderChanged ()
   from /opt/kde3/lib/libkmailprivate.so
#12 0x427aeb83 in KMFolder::qt_emit () from /opt/kde3/lib/libkmailprivate.so
#13 0x410b1eb1 in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#14 0x42762417 in FolderStorage::msgHeaderChanged ()
   from /opt/kde3/lib/libkmailprivate.so
#15 0x427624a3 in FolderStorage::headerOfMsgChanged ()
   from /opt/kde3/lib/libkmailprivate.so
#16 0x42762c69 in KMMsgBase::setStatus () from /opt/kde3/lib/libkmailprivate.so
#17 0x42762ee0 in KMMessage::setStatus () from /opt/kde3/lib/libkmailprivate.so
#18 0x4293da01 in KMMessage::updateAttachmentState ()
   from /opt/kde3/lib/libkmailprivate.so
#19 0x4296aa2e in KMMessage::fromDwString ()
   from /opt/kde3/lib/libkmailprivate.so
#20 0x4296ab13 in KMFolderMaildir::readMsg ()
   from /opt/kde3/lib/libkmailprivate.so
#21 0x428b985c in FolderStorage::getMsg ()
   from /opt/kde3/lib/libkmailprivate.so
#22 0x426d184e in KMFolder::getMsg () from /opt/kde3/lib/libkmailprivate.so
#23 0x427ce648 in KMMoveCommand::execute ()
   from /opt/kde3/lib/libkmailprivate.so
#24 0x4281b2d9 in KMCommand::slotPostTransfer ()
   from /opt/kde3/lib/libkmailprivate.so
#25 0x4281b397 in KMCommand::qt_invoke () from /opt/kde3/lib/libkmailprivate.so
#26 0x4281b7cb in KMMenuCommand::qt_invoke ()
   from /opt/kde3/lib/libkmailprivate.so
#27 0x4281b831 in KMMoveCommand::qt_invoke ()
   from /opt/kde3/lib/libkmailprivate.so
#28 0x410b1e7e in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#29 0x42754922 in KMCommand::messagesTransfered ()
   from /opt/kde3/lib/libkmailprivate.so
#30 0x427d93ba in KMCommand::transferSelectedMsgs ()
   from /opt/kde3/lib/libkmailprivate.so
#31 0x427d99db in KMCommand::slotStart () from /opt/kde3/lib/libkmailprivate.so
#32 0x4281b3a4 in KMCommand::qt_invoke () from /opt/kde3/lib/libkmailprivate.so
#33 0x4281b7cb in KMMenuCommand::qt_invoke ()
   from /opt/kde3/lib/libkmailprivate.so
#34 0x4281b831 in KMMoveCommand::qt_invoke ()
   from /opt/kde3/lib/libkmailprivate.so
#35 0x410b1e7e in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#36 0x41405462 in QSignal::signal () from /usr/lib/qt3/lib/libqt-mt.so.3
#37 0x410cf353 in QSignal::activate () from /usr/lib/qt3/lib/libqt-mt.so.3
#38 0x410d6da3 in QSingleShotTimer::event ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#39 0x4104ed5f in QApplication::internalNotify ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#40 0x41050a83 in QApplication::notify () from /usr/lib/qt3/lib/libqt-mt.so.3
#41 0x40d64771 in KApplication::notify () from /opt/kde3/lib/libkdecore.so.4
#42 0x4104350c in QEventLoop::activateTimers ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#43 0x40ffc286 in QEventLoop::processEvents ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#44 0x41066e51 in QEventLoop::enterLoop () from /usr/lib/qt3/lib/libqt-mt.so.3
#45 0x41066c96 in QEventLoop::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#46 0x4105094f in QApplication::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#47 0x080635f5 in main ()