Configuring Exchange 2010 NLB using Citrix Netscaler
This tutorial will instruct you how to install Netscaler and to configure this appliance to balance the load of Micsosoft Exchange 2010 Client Access Servers
Additional Exchange configuration for Outlook 2011 for Mac
Outlook 2011 for mac connects to exchange server 2007 using EWS (Exchange web services), and by default connecting to exchange server is very simple; however if your organisation allows for message attachments greater than 13MB you will need additional configuration on the server side.