Earlier quoted context omitted.
Monitoring is a beautiful thing.
So you're telling me that in 11 years, your server has never been down, even for a reboot, software update or hardware failure? Going on 11 years here with no real issues. Define "no real issues" cos I would define GMail going down for some users in parts of the world for a short period of time as "no real issue".
To clarify my other statement, the biggest "issue" i've had is during a failure of the primary MX messages marked as read would sometimes revert back to being unread for a few minutes.