chasquid

Product Overview: Chasquid

Chasquid is a lightweight email server designed for simplicity, security, and ease of operation. Written in Go, this SMTP (email) server sends and receives emails as a typical MTA (Mail Transfer Agent), making it an excellent choice for individuals and small groups. With a focus on preventing misconfigurations that can lead to security issues or open relays, Chasquid is an ideal solution for those who want a hassle-free email server experience.

Main Features:

Ease of Use

• Easy configuration with minimal risk of mis-configuration
• Monitoring HTTP server with exported variables and tracing for debugging purposes
• Integrated with Debian, Ubuntu, and Arch operating systems

Useful Features

• Multiple/virtual domains with per-domain users and aliases
• Suffix dropping (user+something@domain → user@domain)
• Hooks for integration with greylisting, anti-virus, anti-spam, and DKIM/DMARC
• International usernames (SMTPUTF8) and domain names (IDNA)

Security

• Tracking of per-domain TLS support to prevent connection downgrading
• Multiple TLS certificates
• Easy integration with Let's Encrypt
• SPF and MTA-STS checking

Overall, Chasquid is a well-rounded email server that offers a great balance between simplicity, security, and ease of operation. Its focus on preventing misconfigurations makes it an excellent choice for those who want to ensure their email server is secure and reliable.