Email-Server..

Project..... implementing a simple email server and a frontend user interface

implementation details

using Filter design pattern to filter messages according to date/sender/reciever/subject
using command design pattern to handle end user commands as sort command
using proxy design pattern to handle user login
bussiness logic was implemented in java
backend server is implemented using springboot
frontend is made using angular framework
We used http:get,http:post,http:delete and Restful api to handle front end requests