Roundcube is an open source, free webmail system that has gained a great deal of popularity due to its rich feature set, convenient user interface, and high degree of customizability.

Its most significant feature is the comprehensive use of AJAX technology. After about two years of development, the first stable release of the Roundcube was announced in early 2008.

The Roundcube system PHP language and can be run up to On LAMP systems or any other operating system that supports PHP. The web server must provide access to the email storage IMAP server and an SMTP server to send messages.

Roundcube is free and open source software subject to the terms of the GNU General Public License (GPL), except for graphics themes and plugins.

On May 2015, 3, the developers of Roundcube announced that they planned to completely rewrite the software, which was named Roundcube Next. The new project began with community funding, reaching its $ 80,000 target on June 24th. The final job was $ 103. Roundcube Next also includes additional features such as calendar, chat, and file management.

system Requirements

The following conditions are required for running the Roundcube webmail client:

• HTTP server (for example: Apache, Nginx, Lighttpd, Hiawatha, Cherokee, etc.)
• Relational database server (for example: MySQL, MariaDB, PostgreSQL, SQLite)
• PHP server side scripting language
• IMAP server access (for example: Dovecot, Courier, etc.)
• SMTP server access (for example: Postfix, Sendmail)

Applied technologies

The following web technologies were implemented in the system:

• AJAX
• JQuery
• The user interface is rendered in XHTML
• TinyMCE HTML Editor plugin
• Plug-in API (lets you add external modules)

abilities

Roundcube has the following features / capabilities:

• With AJAX and JQuery technologies, it supports drag and drop operations, such as dragging and dropping mail into other folders, filters, and more.
• Multilingual interface that now supports more than 70 languages
• Connects to any IMAPv4 mail server
• Encrypted TLSv1.2 connection protocol for IMAP, PHP5.6 SSL / TLS libraries
• Full MIME and HTML mail support
• Sophisticated data protection
• Richtext / HTML mail support with attachment attachment
• Manage multiple sender identities
• Mail per thread view
• IDN support
• A complete vCard based address book system with group management support.
• Import / export contacts
• LDAP directory integration for contacts
• Typing live search of contacts
• Forwarding messages with attachments
• Built-in caching for fast mail account access
• Search messages and contacts
• Using Mail Filters
• Spell check
• External SMTP server support
• Support for shared / global folders and IMAP ACLs
• IMAP directory structure management
• Template system for unique appearances
• Built-in response letter templates
• Customizable layout (number of columns for wide and narrow screens)
• Open PDF and OpenDocument files as preview (via plug-in)
• Marking of letters
• Advanced setup options
• Fetchmail function (connect to and retrieve mail from other mail accounts to manage mail in one interface)
• Mail delivery confirmation claim feature