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Stalwart

Stalwart, the all-in-one Rust mail server, and how it compares to Mailcow and Mailu.

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Stalwart 1.0 Says It's the Fastest Mail Server on the Planet. Here Are the Numbers.

Stalwart 1.0 Says It's the Fastest Mail Server on the Planet. Here Are the Numbers.

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: Mailcow vs Mailu vs Stalwart — Which Mail Server Should You Trust?

Self-Hosted Email in 2026: Mailcow vs Mailu vs Stalwart — Which Mail Server Should You Trust?

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.