How to send cdo email from C#



The Microsoft .NET framework provides two namespaces, System.Net and System.Net.Sockets for managed implementation of Internet protocols that applications can use to send or receive data over the Internet .



In the previous C# program SMTP email from C# describes how to send an email with text body .　　Here we are sending an email without using SMTP protocol through C# programming . Instead of SMTP here we use CDOSYS , Collaboration Data Objects (CDO) for Windows 2000 library (Cdosys.dll) . The Cdosys.dll library is also known as CDOSYS .



Create a new C# project and add a reference to Microsoft CDO For Windows 2000 Library . From the following picture you can understand how to add Microsoft CDO For Windows 2000 Library in your C# project.