Stalwart SMTP
self-hosted, mail agents

Stalwart SMTP is a modern SMTP server designed with a strong emphasis on security, speed, and extensive customization options. It offers robust features to ensure secure email transmission, prioritizing protection against common threats such as spam, phishing, and malware. Stalwart SMTP is engineered for high performance, enabling fast and efficient handling of email traffic without compromising security. Its flexible configuration options allow administrators to tailor the server to their specific needs, ensuring seamless integration into diverse environments.