- Home
- Email clients
- Roundcube
On the recordRead 12 Oct 202617 facts
Roundcube
Roundcube · founded 2005
Plans and prices
Roundcube Webmail
Free
Free and open-source software · unlimited users and messages · self-hosted webmail
Read 12 Oct 2026 · roundcube.net
On the record
- App coverage
- webroundcube.net · read 21 Sep 2026
- Calendar tools
- Noroundcube.net · read 21 Sep 2026
- Contacts
- Its address book supports groups and LDAP connectors, with find-as-you-type integration.roundcube.net · read 12 Oct 2026
- Current release
- The downloads page lists 1.7.4 as the stable version and 1.6.19 as an LTS version.roundcube.net · read 12 Oct 2026
- Customization
- Roundcube has a plug-in API, a template system for custom skins, and third-party plugins and skins available through Packagist.roundcube.net · read 12 Oct 2026
- Deployment
- Roundcube can be run as a Docker PHP-FPM service or with a complete Apache webserver, and the project provides Docker Compose and Kubernetes examples.roundcube.net · read 12 Oct 2026
- Email features
- It supports MIME and HTML messages, multiple sender identities, threaded message listings, message search and spell checking.roundcube.net · read 12 Oct 2026
- License
- Roundcube is licensed under GNU GPL version 3 or later, with exceptions for skins and plugins.roundcube.net · read 12 Oct 2026
- Mobile apps
- The project says it does not provide or recommend native mobile apps.roundcube.net · read 12 Oct 2026
- Nextcloud integration
- The Nextcloud app Roundcube Mail integrates an existing standalone Roundcube webmail app into Nextcloud, with optional SSO.roundcube.net · read 12 Oct 2026
- Product
- Roundcube is a browser-based multilingual IMAP client with an application-like interface.roundcube.net · read 12 Oct 2026
- Security
- Listed protections and capabilities include brute-force login attack prevention, XSS protection, PGP encryption support and OAuth/XOAuth login support.roundcube.net · read 12 Oct 2026
- Server requirements
- The project lists PHP 8.1 or greater, a supported web server, a MySQL/MariaDB, PostgreSQL or SQLite database, and SMTP and IMAP servers as requirements.roundcube.net · read 12 Oct 2026
- Support
- Official enterprise support from Nextcloud GmbH is tailored to mail providers running large instances with thousands to millions of end users.roundcube.net · read 12 Oct 2026
- Who it is for
- Roundcube is software for email hosting providers or administrators to install on their servers; it is not an email service with user accounts provided by Roundcube.roundcube.net · read 12 Oct 2026