As loathe as I am to admit it (and I still won't recommend or adminster it) Exchange is reasonably decent for the end user. You need to keep a sacrificial Windo

As loathe as I am to admit it (and I still won't recommend or adminster it) Exchange is reasonably decent for the end user. You need to keep a sacrificial Windows install/VM for the rare cases you need an Outlook-specific feature but most of the daily functionality is accessible from other clients. Between Thunderbird and a Blackberry I only really dip into Exchange to set new filters anymore.