Update Roundcube to 1.4.11
Security fix: Fix cross-site scripting (XSS) via HTML messages with malicious CSS content
Use base image v3
Use PHP 7.4
This app packages Roundcube
Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an email client, including MIME support, address book, folder manipulation, message searching and spell checking.