roundcubemail

Project Overview

Roundcube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full email client functionality including MIME support, address book, folder management, message searching, and spell checking. Written in PHP, it requires MariaDB, MySQL, PostgreSQL, or SQLite. With its plugin API and skin system, it is highly extensible and customizable.

Key Features

• Full email client functionality (MIME support, address book, folder management, message searching, spell checking)
• Browser-based multilingual IMAP client
• Plugin API for extensibility
• Customizable skin system
• Supports MariaDB, MySQL, PostgreSQL, and SQLite

Target Audience

• Individuals and businesses needing a self-hosted webmail client
• System administrators and operations engineers
• Developers who need email system customization

Quick Start

1. This repository is a development snapshot — not a stable release and not recommended for production
2. Follow INSTALL.md for installation
3. For upgrades, refer to UPGRADING.md

Core Advantages

• Open-source and free under GPL
• Complete email client functionality
• Plugin and skin systems for high customizability
• Active community and long-term maintenance

System Requirements

• Web Server: PHP-compatible server
• Database: MariaDB, MySQL, PostgreSQL, or SQLite
• PHP environment

Notes

• This repository is a development snapshot — not a stable release
• Read UPGRADING.md carefully before upgrading