Introduction - If you have any usage issues, please Google them yourself
Yawebmail is a Web-(Online-)Application that enables you to establish a SMTP-, POP3- or IMAP-Connection, even if you are behind a firewall that prevents Mail-Communication- you only need to have HTTP-Access to the Internet.
Yawebmail takes the part of the eMail-Clientsoftware und communicates with the Mail-Server. Over an easy to understand Web-Interface you can read and edit eMails with your Browser.
The Application is written in Java, using Java Server Faces (which itself uses Java Servlet-Technology) and can be run in any Java Servlet-Container Application-Server) supporting Servlet-API 2.4 (Tomcat, Jetty, Weblogic, ...).
Yawebmail comes as a WAR-File (web application archive)- "yawebmail.war". All you have to do is to copy it into the deployment-directory of your Application-Server