Stalwart Mail Server is an open-source mail server solution with JMAP, IMAP4, POP3, and SMTP support and a wide range of modern features. It is written in Rust and designed to be secure, fast, robust and scalable.
Requires Docker runtime or Docker Compose environment.
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Standard Docker Compose deployment
version: '3.8'
services:
stalwart:
image: stalwart:latest
restart: always
ports:
- "8080:8080"Stalwart is a modern self-hosted, privacy-first communication solution. Stalwart Mail Server is an open-source mail server solution with JMAP, IMAP4, POP3, and SMTP support and a wide range of modern features. It is written in Rust and designed to be secure, fast, robust and scalable. Built for users and teams demanding full data ownership, Stalwart eliminates proprietary vendor lock-in while delivering an intuitive, reliable experience.
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GitHub stats captured Oct 5, 2026.
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