How to uninstall or remove glassfish-mail software package from Ubuntu 16.04 LTS (Xenial Xerus)

You can uninstall or removes an installed glassfish-mail package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,

$ sudo apt-get remove glassfish-mail

Uninstall glassfish-mail including dependent package

If you would like to remove glassfish-mail and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove glassfish-mail

Use Purging glassfish-mail

If you use with purge options to glassfish-mail package all the configuration and dependent packages will be removed.

$ sudo apt-get purge glassfish-mail

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove glassfish-mail