Try Exchange Server 2013
Use Exchange Web Services (EWS) and other web services to create custom solutions that enable your users to access and manage mailbox data from services, websites, desktop computers, and mobile devices.
See how to use the EWS Managed API to send email messages, search mail folders, get contact information, check user availability, and more.
Learn what to consider when migrating existing applications that rely on previous versions of Exchange Server.
Learn how to customize Outlook Web App in Exchange 2013.
This sample shows you how to request information by using EWS from your mail app for Outlook.