Mailu - Docker-Based Mail Server
Mailu is an open-source, Docker-based mail server solution designed to provide a simple yet comprehensive email system for individuals and organizations. It focuses on ease of setup, maintenance, and security while avoiding proprietary software and unrelated features often found in groupware solutions. Mailu is ideal for self-hosting enthusiasts, small businesses, and developers looking for a customizable and secure email server.
Key Features
- Standard Email Protocols: Supports IMAP, IMAP+, SMTP, and Submission with auto-configuration profiles for seamless client setup.
- Advanced Email Capabilities: Includes aliases, domain aliases, custom routing, and full-text search of email attachments.
- Web Access: Offers multiple webmail options and a user-friendly administration interface.
- User Features: Provides aliases, auto-reply, auto-forward, fetched accounts, and ManageSieve for email filtering.
- Admin Tools: Features global admin access, per-domain delegation, quotas, and announcements.
- Security: Enforces TLS, supports DANE, MTA-STS, Let's Encrypt, outgoing DKIM, anti-virus scanning, and blocks malicious attachments.
- Antispam: Implements auto-learn, greylisting, DMARC, SPF, and anti-spoofing measures.
- Freedom: Built entirely with Free and Open Source Software (FOSS) components, ensuring no trackers or proprietary dependencies.
Use Cases
- Self-Hosted Email for Individuals: Perfect for tech-savvy users who want control over their email data with a secure, private server.
- Small Business Email Solutions: Offers a cost-effective, manageable email system for small teams with administrative delegation.
- Developer Testing Environments: Provides a lightweight, containerized mail server for testing email functionalities in applications.
Mailu's Docker architecture ensures portability and scalability, making it a unique choice for those prioritizing security, simplicity, and open-source values in their email infrastructure.
