Roundcube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality expected from an e-mail client, including MIME support, address book, folder manipulation and message filters.

This package provide the 'listcommands' third-party plugin, which adds a set of commands to the email headers in order to manage mailinglist posting. This lets the user easily subscribe, unsubscribe, check the archives etc.