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....MailMessage ( "test@test.com" , "test@test.com" , "test message" ..., "This is a test message" ); client . Send ( eml ); } where...