How to create WEBMAIL application in ASP.NET?

Hi All,

I want to create WEBMAIL project. Webmail has all facilities like Inbox, Draft, Sent, Trash,Important and other remaining options.
I Want to create webmail in asp.net, angularJs and web api. Firstly, I need to create it with Gmail or other domain after I need to configure it with the SMTP exchange server.
Kindly reply me with your valuable suggestions.

Thanks.