The True Cost of In-House email.

What if it was the fox’s job to get an accurate chicken count to the farmer?

This article is pretty even-handed about looking at the current state of affairs, and GMail gets a nod.

» What’s the true cost of running email in-house? | Software as Services | ZDNet.com

“Amazingly, every company we talk to has a TCO for their messaging system that is far below the industry average, and uptime that is far above the industry average! I don’t mean to poke fun, but it’s become blatantly obvious to me that most companies do not understand the true, hard costs of their messaging systems, nor do they accurately measure their downtime. We assist companies in calculating these numbers, and they are often shocked by what they discover.”