Mailu

Insular email distribution - mail server as Docker images

⭐ 7,191 stars on GitHub · 🍴 979 forks · 📜 License: other · 💻 Language: Python

What is Mailu?

A complete self-hosted mail server — host your own domain mail with built-in anti-spam, business Gmail/Outlook alternative.

The biggest strength is immune to provider account suspension — full control over your send/receive pipeline.

Best for businesses wanting full mail control (compliance) + custom domain without G Suite.

Topics: the project is tagged with popular topics:

• 🏷️ dkim
• 🏷️ dmarc
• 🏷️ docker
• 🏷️ docker-compose
• 🏷️ email
• 🏷️ fetchmail
• 🏷️ imap
• 🏷️ letsencrypt
• 🏷️ mail
• 🏷️ mailserver

📸 Screenshots

Quick install

See the README for detailed install instructions. Most projects support Docker — if the repo has a Dockerfile, use:

git clone https://github.com/Mailu/Mailu.git
cd Mailu
docker build -t Mailu .
docker run -d -p 8080:8080 Mailu

Minimum system requirements

⚡ Deploy fast on VSIS

Use the VSIS VPS Mini 1GB RAM / 1 vCPU / 15GB SSD (~70k/tháng) plan from VSIS.NET — high-speed VN-based VPS, 24/7 support, ideal for running Mailu smoothly.

🎯 Benefits:

• One-command docker compose up -d deploy in 2 minutes
• Dedicated IPv4, root access, unmetered domestic bandwidth
• Daily snapshot backup
• Free install assistance from the VSIS team

👉 See matching VPS plans at vsis.net

Resources

• 🔗 GitHub: Mailu/Mailu
• 🌐 Homepage: https://mailu.io
• 📚 Official docs: see README in the repo
• 💬 Community: GitHub Issues + Discussions

Article compiled from GitHub data on 05/05/2026. Star/fork counts may have changed — see live numbers via the GitHub link.