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Roundcube Webmail project preview
CommunicationAlternative to Outlook WebAlternative to Gmail WebAlternative to SquirrelMail

Roundcube Webmail

Browser-based multilingual IMAP client with an application-like user interface.

View on GitHub Visit website
LicenseGPL-3.0
GitHub stars5.2k
Last commit1 weeks ago
Tags6 topics
CommunicationAddressbookImap ClientPhpElastic ThemeWebmail
Overview

Why consider Roundcube Webmail?

Roundcube is an open-source webmail solution written in PHP. With full support for MIME messages, address books, folder management, message searching, and PGP encryption, it provides an intuitive desktop-like webmail experience.

Guided learning

Learn Roundcube Webmail by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

1 min read 2 sections
In this guide2 sections

Overview of Roundcube

Roundcube delivers drag-and-drop message management, spell-checking, and responsive mobile themes for self-hosted mail servers.

Running with Docker

bash
1docker run -d \
2 --name roundcube \
3 -p 80:80 \
4 -e ROUNDCUBEMAIL_DEFAULT_HOST=ssl://mail.example.com \
5 roundcube/roundcubemail:latest

Roundcube is licensed under the GNU General Public License v3.0 (GPL-3.0).

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Roundcube Webmail FAQs

Roundcube Webmail is listed as a Communication tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository and official website for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

Roundcube Webmail is listed under the GPL-3.0 license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

Roundcube Webmail is listed as an alternative to Outlook Web. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.