Version:            (using KDE 4.1.3)
OS:                FreeBSD
Installed from:    FreeBSD Ports

not sure what happened. this is what drkonqi tells me:

Application: KMail (kmail), signal SIGABRT
[New Thread 0x80bb02180 (LWP 100176)]
[Switching to Thread 0x80bb02180 (LWP 100176)]
[KCrash handler]
#6  0x0000000808399bbc in kill () from /lib/libc.so.7
#7  0x0000000808398a2b in abort () from /lib/libc.so.7
#8  0x0000000805314195 in qt_message_output ()
   from /usr/local/lib/qt4/libQtCore.so.4
#9  0x00000008053142b7 in qFatal () from /usr/local/lib/qt4/libQtCore.so.4
#10 0x000000080088427a in KMail::MessageProperty::forget (msgBase=0x80bfb8920)
    at /usr/ports/deskutils/kdepim4/work/kdepim-4.1.1/kmail/messageproperty.cpp:180
#11 0x00000008008cbe33 in ~KMMsgBase (this=0x80bfb8920)
    at /usr/ports/deskutils/kdepim4/work/kdepim-4.1.1/kmail/kmmsgbase.cpp:124
#12 0x00000008007a9a9d in ~KMMessage (this=0x80bfb8920)
    at /usr/ports/deskutils/kdepim4/work/kdepim-4.1.1/kmail/kmmessage.cpp:225
#13 0x00000008008cc462 in KMMsgList::clear (this=0x80d747a78, doDelete=true, 
    syncDict=false)
    at /usr/ports/deskutils/kdepim4/work/kdepim-4.1.1/kmail/kmmsglist.cpp:37
#14 0x00000008009168d3 in KMFolderMaildir::close (this=0x80d747a00, aForced=)
    at /usr/ports/deskutils/kdepim4/work/kdepim-4.1.1/kmail/kmfoldermaildir.cpp:216
#15 0x00000008008ff18f in KMFolderCachedImap::resetSyncState (
    this=0x80d747a00)
    at /usr/ports/deskutils/kdepim4/work/kdepim-4.1.1/kmail/kmfoldercachedimap.cpp:2416
#16 0x00000008008e5213 in KMAcctCachedImap::killAllJobs (this=)
    at /usr/ports/deskutils/kdepim4/work/kdepim-4.1.1/kmail/kmacctcachedimap.cpp:111
#17 0x00000008008d60f2 in KMail::ImapAccountBase::handleError (
    this=0x80bb3e800, errorCode=149, errorMsg=@0x7fffffffd2f0, 
    job=0x811269360, context=@0x7fffffffd4f0, abortSync=false)
    at /usr/ports/deskutils/kdepim4/work/kdepim-4.1.1/kmail/imapaccountbase.cpp:1009
#18 0x00000008008d83e6 in KMail::ImapAccountBase::handleJobError (
    this=0x80bb3e800, job=0x811269360, context=@0x7fffffffd4f0, 
    abortSync=false)
    at /usr/ports/deskutils/kdepim4/work/kdepim-4.1.1/kmail/imapaccountbase.cpp:367
#19 0x00000008008d8bd4 in KMail::ImapAccountBase::handlePutError (
    this=0x80bb3e800, job=0x811269360, jd=)
    at /usr/ports/deskutils/kdepim4/work/kdepim-4.1.1/kmail/imapaccountbase.cpp:959
#20 0x00000008009d51cf in KMail::CachedImapJob::slotPutMessageResult (
    this=0x80d93a100, job=0x811269360)
    at /usr/ports/deskutils/kdepim4/work/kdepim-4.1.1/kmail/cachedimapjob.cpp:482
#21 0x00000008009d6ac9 in KMail::CachedImapJob::qt_metacall (
    this=0x80d93a100, _c=QMetaObject::InvokeMetaMethod, _id=)
    at cachedimapjob.moc:107
#22 0x00000008053f23eb in QMetaObject::activate ()
   from /usr/local/lib/qt4/libQtCore.so.4
#23 0x0000000804706912 in KJob::result (this=) at kjob.moc:186
#24 0x0000000804706d17 in KJob::emitResult (this=0x811269360)
    at /usr/ports/x11/kdelibs4/work/kdelibs-4.1.1/kdecore/jobs/kjob.cpp:290
#25 0x0000000803c0a7f8 in KIO::SimpleJob::slotFinished (this=0x811269360)
    at /usr/ports/x11/kdelibs4/work/kdelibs-4.1.1/kio/kio/job.cpp:498
#26 0x0000000803c0abdb in KIO::TransferJob::slotFinished (this=0x811269360)
    at /usr/ports/x11/kdelibs4/work/kdelibs-4.1.1/kio/kio/job.cpp:967
#27 0x0000000803c08232 in KIO::SimpleJob::slotError (this=0x811269360, 
    err=149, errorText=@0x7fffffffdd70)
    at /usr/ports/x11/kdelibs4/work/kdelibs-4.1.1/kio/kio/job.cpp:510
#28 0x0000000803c0a067 in KIO::SimpleJob::qt_metacall (this=0x811269360, 
    _c=QMetaObject::InvokeMetaMethod, _id=) at jobclasses.moc:155
#29 0x0000000803c11af5 in KIO::TransferJob::qt_metacall (this=0x811269360, 
    _c=QMetaObject::InvokeMetaMethod, _id=) at jobclasses.moc:324
#30 0x00000008053f23eb in QMetaObject::activate ()
   from /usr/local/lib/qt4/libQtCore.so.4
#31 0x0000000803cab266 in KIO::SlaveInterface::error (this=)
    at slaveinterface.moc:149
#32 0x0000000803cad0c7 in KIO::SlaveInterface::dispatch (this=0x80d9225a0, 
    _cmd=)
    at /usr/ports/x11/kdelibs4/work/kdelibs-4.1.1/kio/kio/slaveinterface.cpp:212
#33 0x0000000803cad891 in KIO::SlaveInterface::dispatch (this=0x80d9225a0)
    at /usr/ports/x11/kdelibs4/work/kdelibs-4.1.1/kio/kio/slaveinterface.cpp:90
#34 0x0000000803c9faaa in KIO::Slave::gotInput (this=0x80d9225a0)
    at /usr/ports/x11/kdelibs4/work/kdelibs-4.1.1/kio/kio/slave.cpp:319
#35 0x0000000803ca0eaa in KIO::Slave::qt_metacall (this=0x80d9225a0, 
    _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0x7fffffffdf40)
    at slave.moc:75
#36 0x00000008053f23eb in QMetaObject::activate ()
   from /usr/local/lib/qt4/libQtCore.so.4
#37 0x0000000803bde172 in KIO::ConnectionPrivate::dequeue (this=0x80d9bd7f0)
    at /usr/ports/x11/kdelibs4/work/kdelibs-4.1.1/kio/kio/connection.cpp:82
#38 0x0000000803bdefac in KIO::Connection::qt_metacall (this=0x80d9ca940, 
    _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x80d8887d0)
    at connection.moc:72
#39 0x00000008053f1230 in QObject::event ()
   from /usr/local/lib/qt4/libQtCore.so.4
#40 0x000000080716907f in QApplicationPrivate::notify_helper ()
   from /usr/local/lib/qt4/libQtGui.so.4
#41 0x000000080716fa94 in QApplication::notify ()
   from /usr/local/lib/qt4/libQtGui.so.4
#42 0x00000008040f3715 in KApplication::notify (this=0x7fffffffe900, 
    receiver=0x80d9ca940, event=0x810c04e80)
    at /usr/ports/x11/kdelibs4/work/kdelibs-4.1.1/kdeui/kernel/kapplication.cpp:311
#43 0x00000008053e2b34 in QCoreApplication::notifyInternal ()
   from /usr/local/lib/qt4/libQtCore.so.4
#44 0x00000008053e3d85 in QCoreApplicationPrivate::sendPostedEvents ()
   from /usr/local/lib/qt4/libQtCore.so.4
#45 0x0000000805406ce3 in postEventSourceDispatch ()
   from /usr/local/lib/qt4/libQtCore.so.4
#46 0x0000000809846c04 in g_main_context_dispatch ()
   from /usr/local/lib/libglib-2.0.so.0
#47 0x0000000809849ee5 in g_main_context_check ()
   from /usr/local/lib/libglib-2.0.so.0
#48 0x000000080984a3cb in g_main_context_iteration ()
   from /usr/local/lib/libglib-2.0.so.0
#49 0x00000008054071ae in QEventDispatcherGlib::processEvents ()
   from /usr/local/lib/qt4/libQtCore.so.4
#50 0x00000008071e58ff in QGuiEventDispatcherGlib::processEvents ()
   from /usr/local/lib/qt4/libQtGui.so.4
#51 0x00000008053e1e3d in QEventLoop::processEvents ()
   from /usr/local/lib/qt4/libQtCore.so.4
#52 0x00000008053e1fa7 in QEventLoop::exec ()
   from /usr/local/lib/qt4/libQtCore.so.4
#53 0x00000008053e4011 in QCoreApplication::exec ()
   from /usr/local/lib/qt4/libQtCore.so.4
#54 0x000000000040312d in main (argc=)
    at /usr/ports/deskutils/kdepim4/work/kdepim-4.1.1/kmail/main.cpp:146