roundcube/roundcubemail

Features

• Webmail Clients - Provides a comprehensive browser-based interface for users to read, compose, and organize emails stored on remote servers.
• Email - Provides a full-featured browser-based client for sending, receiving, and managing emails on remote servers.
• Email Message Organization - Organizes communications using threaded listings, folder management, and drag-and-drop actions via server protocols.
• Professional Email Composition - Supports professional message creation with multiple sender identities, response templates, and integrated spell checking.
• Mailbox State Synchronizers - Synchronizes mailbox state by mapping web interface actions to remote server operations via the IMAP protocol.
• Email Clients - Serves as a self-hosted, open-source communication platform for reading and composing emails.
• IMAP Client Interfaces - Implements a browser-based interface for managing messages and folders on remote servers using the IMAP and SMTP protocols.
• HTML Content Sanitization - Implements a strict HTML whitelist filter pipeline to prevent cross-site scripting attacks.
• Email Security - Protects message privacy through encryption and secures accounts with two-factor authentication and brute-force prevention.
• OIDC Authentication Plugins - Secures user access by integrating with external identity providers through OpenID Connect flows.
• Single Sign-On Providers - Delegates user verification to external identity providers using discovery and logout flows for single sign-on.
• Hook-Based Plugin Systems - Provides a modular extension system using hooks to add new functional modules and UI capabilities.
• Extensible Web Platforms - Features a modular architecture with a plugin-based extension system for adding new functional modules.
• Collaborative Address Books - Implements a contact management system using directory connectors and fast lookup interfaces for organizing recipients.
• Global Search Tools - Provides a fast lookup interface to perform global searches across messages and address book entries.
• Sender Identity Management - Allows users to create and switch between multiple distinct identities for outgoing email communication.
• Complex Search Querying - Supports complex query operators to filter and locate specific messages within large email datasets.
• Contact Management - Manages address books and contact groups using directory connectors and fast lookup interfaces.
• Access Control Lists - Manages shared folder permissions and restricts user access to mail directories using access control lists.
• Brute Force Protections - Protects user accounts using brute-force prevention, two-factor authentication, and external identity provider support.
• Contact Directory Connectors - Resolves contact information by bridging the user interface to external directory services and databases.
• Encrypted Email Clients - Secures message content and ensures communication privacy by integrating encryption standards into the webmail interface.
• Message Encryption - Ensures the privacy and confidentiality of sent and received messages using industry encryption standards.
• Third-Party Plugins - Integrates third-party modules to add expanded features such as calendars and account support.
• Responsive Layout Customizers - Supports custom skins and responsive layouts to adapt the visual experience for different devices.
• Theme Customization - Provides interfaces for applying custom skins to change the overall look and feel of the web interface.
• Skinning Engines - Uses a template-based skinning engine to separate visual presentation from business logic.
• Email Servers - Browser-based IMAP client for managing email accounts.
• Email Solutions - Listed in the “Email Solutions” section of the Awesome Selfhosted awesome list.
• Webmail Clients - Feature-rich browser-based IMAP email client.

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