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.... Connect to a POP3 server. Get the size of the...Pop3Client client = new Pop3Client ( "pop3.server.com" , "username" , "password"...