Self-hosted email server with Docker/Kubernetes support. Features IMAP, SMTP, spam filtering, webmail, and web admin.

• UpdatedFeb 19, 2026
• Shell

This RoundCube plugin adds the 2-step verification(OTP) to the login proccess

• UpdatedJul 30, 2025
• PHP

poste.io mail server, but with IP management and custom webmail plugins

• UpdatedJan 22, 2023
• Shell

ISPConfig3 plugins for Roundcube

• UpdatedOct 4, 2025
• PHP

Thunderbird Labels Plugin for Roundcube Webmail

• UpdatedNov 11, 2025
• PHP

Roundcube 1.0.0 <= 1.2.2 Remote Code Execution exploit and vulnerable container

• UpdatedApr 20, 2024
• Python

Roundcube plugin that checks the Authentication-Results headers (rfc5451) of your emails and displays the verification status.

• UpdatedJun 29, 2025
• PHP

A plugin to use Yubico's Yubikey 2nd factor with Roundcube webmail

• UpdatedMar 14, 2019
• PHP

Main mailserver project to compose various containers

• UpdatedMay 15, 2025

ProtonMail skin for Roundcube Webmail (Mirrored from GitLab)

• UpdatedJun 29, 2022
• Less

Integración de proxy, correo y jabber con Samba AD DC

• UpdatedJan 8, 2024
• Shell

Roundcube Skin

• UpdatedMar 6, 2021
• CSS

Roundcube plugin to enforce reCAPTCHA for users who have too many failed logins.

• UpdatedMar 12, 2023
• PHP

Roundcube Webmail Docker Image

• UpdatedFeb 9, 2026
• Dockerfile

ISPConfig hosting control panel, packaged as a Docker container (with caveats)

• UpdatedAug 5, 2024
• Shell

Mailu email service extended by OpenID Connect user authentication

• UpdatedNov 20, 2025
• Python

Plugin for Roundcube webmail, enable virtual email sender input.

• UpdatedFeb 16, 2026
• PHP

A Roundcube plugin which shows folder size.

• UpdatedFeb 2, 2026
• PHP

message_highlight roundcube plugin

• UpdatedJul 27, 2022
• JavaScript

Set of tools for Roundcube webmail

• UpdatedDec 10, 2025
• PHP