Postfix is an open-source mail server software that routes and delivers electronic mail. It's known for its speed, security, and ease of configuration.
Key features
- High performance mail delivery
- Robust security features
- Flexible configuration options
- Supports SMTP and several other protocols
- Extensive documentation and community support
Pros
- Free and open-source
- Highly customizable for specific needs
- Scalable for small to large environments
- Strong community and regular updates
Cons
- Steeper learning curve for new users
- Limited GUI management options
- Some advanced features require manual configuration