Stalwart Mail

Open Source AGPL-3.0

Modern all-in-one mail server written in Rust

Website
stalw.art
Difficulty
●● Medium
Last check
2026-02-25

Description

Stalwart Mail Server is a modern email server written in Rust that combines JMAP, IMAP4, and SMTP in a single application. It offers integrated spam and phishing filtering, DKIM/SPF/DMARC/ARC support, Sieve script filtering, and a web-based management interface. Stalwart is designed for performance and security, consumes few resources, and supports various storage backends such as SQLite, PostgreSQL, and S3-compatible object storage.

Preview

Stalwart Mail Preview

Platforms

Linux Docker

Replaces the following proprietary tools

Gmail Stalwart Mail
Exchange Stalwart Mail

Self-Hosting

Stalwart Mail can be self-hosted on your own infrastructure. Visit the official documentation for installation instructions.

Documentation →

Tags

#email-server #rust #jmap #imap #smtp #modern #performant
← Back to Email Servers & Services