Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....instance of MailMessage class var message = new MailMessage { From =...to2@domain.com" , Subject = "New message" , HtmlBody = @"<!DOCTYPE html>...