Microsoft Exchange server provides web services which are called as EWS to provide access to Exchange server data. To communicate with this web services Microsoft provides API’s called as EWS Managed APIs. Using these API’s we can build client application which can send, read, and reply to email messages from the exchange server, and can do tasks like adding, updating, canceling appointments. There are various methods provided by API’s to achieve various operations on exchange server. In this blog we will discuss how to send email messages through EWS managed API’s using .Net client application.