[ Thanks to neostream for this link.
]
“oundCube Webmail comes with an application-like user interface
and provides full functionality you expect from an email client,
address book, folder manipulation, including MIME support, message
searching and spell checking.“interesting and unique about RoundCube Webmail is that it is
lightweight, lightning fast and easy to use. During your webserver
supports PHP 5 and MySQL, you will be able to install RoundCube
Webmail on your site and access it on your domain. you should know:
RoundCube Webmail installation is relatively easy and fast. more
clearly about how to install RoundCube Webmail, you can follow the
guide to install RoundCube Webmail on Ubuntu / Linux Mint in
below.”