And to make it really overkill and reliable, duplicate this physical installation twice more and setup DRBD and Pacemaker for an extremely HA filesystem with Quorum.
Yes, we have people who use it (without telling us) and then expect us to troubleshoot why "it worked yesterday and today we can't send emails", we had to spend a lot of our resources and Zoho's to get someone to disclose that the system DOES work sometimes (we thought it never worked) but that there are all these reasonable, but secret, limiters on it.
While I cannot say I have seen the logo or user thumbnails change recently, I have noticed seemingly slower performance when loading or saving content.
