RPC Over HTTPS - Mailbox Access Note – OS & Outlook (2007/2010) should be fully patched with latest service pack and patches.
Go to control panel in windows – Double click on mail
Click on Show Profiles
Click on ADD – Enter Profile Name
Select manually configure server settings
Select Microsoft Exchange or Compatible service & click next
Enter server name as below & enter user name - click next
Go to connections tab
Select Connect to Microsoft exchange using HTTP & Click on Exchange proxy setting
Enter URL as “exchange.simpliapp.com” with Basic Authentication & Click OK
Click OK
Click Next to finish the configuration
Enter User name and password for authentication & click OK
Outlook will be configured successfully post successful authentication