Self-hosted email in 2026: mailcow vs Stalwart vs Mailu
A practical comparison of mailcow, Stalwart, and Mailu based on what we actually deploy for clients in 2026, with notes on resource use, deliverability, and operational pain points.
A practical comparison of mailcow, Stalwart, and Mailu based on what we actually deploy for clients in 2026, with notes on resource use, deliverability, and operational pain points.