docker-mailserver

docker-mailserver is inspired by the renowned ISPMail guide. This project lets you run your own email services, giving you independence from large providers. It is a secure, customizable, and feature-rich solution for managing your email infrastructure.

Container images are built on Alpine Linux or vendor base images and are kept lightweight.

📚 Documentation

Full documentation is available at: https://jeboehm.github.io/docker-mailserver/

The documentation includes:

• Complete installation guides for Docker and Kubernetes
• Configuration reference for all environment variables
• Deployment examples and recipes
• Architecture and development guides

Features

• Secure email protocols: POP3, IMAP, and SMTP with user authentication
• Web-based management interface for account, domain, and alias administration
• Integrated webmail interface
• DKIM message signing and spam filtering with Rspamd
• Real-time spam prevention using RBLs (Real-Time Blackhole Lists)
• Fetchmail integration for external mail retrieval
• Quota management, catch-all addresses, and send-only accounts
• Restriction of sender addresses for enhanced security
• Full-text search and enforced TLS
• Continuous health monitoring

See the documentation for a complete feature list.

Quick Start

Download the latest release from the Releases page, or clone the repository:

git clone https://github.com/jeboehm/docker-mailserver.git

Important: Do not use the latest container image tag for production deployments. Use a specific version instead (e.g., jeboehm/mailserver-mta:6.3).

For detailed installation instructions, see the Installation Guide in the documentation.

Screenshots

Manage users

Manage aliases

DKIM setup

Links

• Documentation - Complete documentation and guides
• Issues - Report bugs and request features
• Releases - Release notes and changelog
• Container Images:
  • GitHub Container Registry
  • Docker Hub