This happens to me on a daily basis and is so far the one and only thing that let me keep a Windows partition on my system... It happens both in To or CC field, Evolutions crashes completely. Attached a bug report.
** Attachment added: "Evolution-Exchange bugreport" http://librarian.launchpad.net/6478729/evolution-exchange-bugreport.txt -- Crashed whilst typing new recipient https://launchpad.net/bugs/61857 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs