Jesper Mail is a web-based application and in cloud. This is an advantage over desktop email where your data is stored on your computer and a computer crash or virus can sometimes prove catastrophic. Finally, your webmail also benefits from increased security with a reduced chance of hacking when compared to desktop email.
This application developed in Java and Angular and using no-sql data base. Mail App comes with all basic functionality of mail solutions with calendar and having folder functions. And this application can be deployed for any domain in private cloud.