Re: On-premise Exchange
"I guess that rules you out of any job where the privacy of the messages etc is of some concern to the business."
Nope - you can secure your messages / data on Office 365 so that Microsoft (and the US courts) can't get to them: https://www.thales-esecurity.com/msrms/cloud
"don't forget that the spooks will probably have a back door into your Cloud Exchange. Do you really want to keep deeding them everythnig about your biz?"
Possibly, but seeing as we know that they already have back doors in your routers , firewalls, hard drives, etc and access to your leased lines is that really anything new?