*Update*

Mail server upgrades were successfully completed this morning.
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Previous Description (2011-08-21 10:38:36):

*Update*

The first reboot was completed, but we were unable to get to the second reboot within the maintenance window. There will be a second reboot of the main server on Monday August 22 between 5:30am and 7:00am.
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Previous Description (2011-08-19 14:13:46):

There will be one, possibly two reboots of the mail server on August 21 between 7:00am and 10:00am in order to activate some operating system upgrades.

In the event the second reboot cannot be made on the 21st, the second server reboot will occur at 5:30am on the 22nd.