Dovecot
The Secure, High Performance Email Server
Powering over 75% of the World’s Email Servers.
Dovecot Community Edition is the world's most trusted open-source email server. Secure by design and fully standards-compliant, it delivers exceptional performance with effortless migration and self-healing reliability.
From Mail Server to Mail Infrastructure
Stop piecing together your architecture. Dovecot Pro seamlessly evolves the core power of Dovecot into a fully supported, high-availability platform designed to cut carrier-grade TCO by 45%+. Get the architectural optimization, cloud object storage integration, and dynamic scalability required by the world's largest service providers - without the overhead of custom DIY clustering.
Dovecot Community Edition is open source, distributed under the LGPLv2.1 license (with a few exceptions).