What’s New in OWA on Exchange 2010 | Accessing OWA
  
Accessing OWA
Step 1: To access Outlook Web App (OWA), type http://remote.whitecase.com from your web browser,
Step 2: From the Remote White & Case screen, select the region under the Remote E‑mail section from which you want to access OWA.
Exchange 2010 will require single log-in when connected to either an internal and external network.
Android browsers will prompt the user to log-in twice when an Exchange 2010 user connects to OWA.