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 'authres_status' third-party plugin, which checks the Authentication-Results headers added by the MTA and displays an icon to show the verification status. Parsing of the Authentication-Results headers is more or less done according to RFC5451 which supports DKIM, DomainKeys, SPF, Sender-ID, iprev and SMTP AUTH result values.