Securing email servers: SPF, DKIM, DMARC, TLS and hardening self-hosted mail.
After five years, Stalwart hit its first stable release on October 26 with benchmarks claiming it beats Postfix and Dovecot in 35 of 38 head-to-head tests. Every one of those numbers was produced by the vendor.
Self-hosted email in 2026 comes with more choices than ever. This guide compares Mailcow, Mailu, and Stalwart across security, performance, resource usage, scalability, administration, and deliverability to help you choose the right mail server for your needs.
How to Self-Host Your Own Email Server With Mailcow in 2026 — Complete Setup Guide Meta Description: Stop letting Google and Microsoft read your email. This guide sets up a complete private email server with Mailcow on a NetCup VPS — DNS, SPF, DKIM, DMARC, TLS, webmail, and mobile clients.
