A ClamAV vulnerability has been identified. We will have to install the updates in the shared mail servers in order to protect these servers against the ClamAV vulnerability.
We will be scheduling a maintenance window to apply the update. We are going to install this update on the below mail servers.
 Mail2 - 220.127.116.11
Sunday, Feb 11 7:30PM MST
 mail3 - 18.104.22.168
Sunday, Feb 11 8:00PM MST
During the maintenance period, email service will not be available. We expect this maintenance should be completed within 10-15 minutes.
We thank you for your cooperation.
Saturday, February 10, 2018