evolution crashes when adding recepients, and it looks up the names via http /exchange

Binary package hint: evolution-exchange

When adding a recipient to a mail, then it hangs up KDE. Not all the time, but it happens frequently enough to make one paranoid..

ProblemType: Crash
Architecture: i386
CrashCounter: 1
Date: Thu May 24 11:52:35 2007
DistroRelease: Ubuntu 7.04
ExecutablePath: /usr/lib/evolution/2.10/evolution-exchange-storage
Package: evolution-exchange 2.10.1-0ubuntu1
PackageArchitecture: i386
ProcCmdline: /usr/lib/evolution/2.10/evolution-exchange-storage --oaf-activate-iid=OAFIID:GNOME_Evolution_Exchange_Component_Factory:2.10 --oaf-ior-fd=18
ProcCwd: /
ProcEnviron:
 LANG=en_ZA.UTF-8
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11:/usr/games
 SHELL=/bin/bash
Signal: 11
SourcePackage: evolution-exchange
StacktraceTop:
 ?? () from /usr/lib/libldap_r.so.2
 ?? ()
 ?? ()
 ?? ()
 ?? () from /usr/lib/libldap_r.so.2
Uname: Linux f2874830l 2.6.20-15-generic #2 SMP Sun Apr 15 07:36:31 UTC 2007 i686 GNU/Linux
UserGroups: adm admin audio cdrom dialout dip floppy lpadmin plugdev scanner video