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 eml = new MailMessage ( "fromAddress"...DeliveryServiceRespo resp = client . send ( eml ); if (! resp . isSuccessful...