If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.
|On-Prem Exchange to Office365 Autodiscover best practice||8||57|
|Exchange 2007 to 2013 - new servers and migrating users||4||22|
|exchange 2007, outlook||3||15|
|Notify the external email sender that the email receiver user resigned from the company||9||22|