I'm a sysadmin at a place that wants this sort of protection, and historically we've only used Blackberries.
Now that lots of people have iPhones, I'm explaining the "remote wipe" situation pretty often.
The best compromise I have at the moment is an iPhone optimised web interface. This lets you get your emails on the device without (much) danger of them ending up saved there.
The best compromise I have at the moment is an iPhone optimised web interface. This lets you get your emails on the device without (much) danger of them ending up saved there.