The following article is about how to install and set up the Roundcube webmail interface on a CentOS VPS.
It is actually part 2 of our mailserver with virtual users and domains using Postfix and Dovecot on a CentOS 6 VPS series.
What is Roundcube?
Roundcube is a web-based IMAP email client written in PHP. Roundcube’s most prominent feature is the pervasive use of Ajax technology to present a more fluid and responsive user interface than one of the traditional webmail clients. It provides the full functionality you expect from an email client, including MIME support, address book, folder manipulation, message searching, spell checking, etc.