Mailcow Email – Self-hosted Mail Server
Mailcow delivers full email infrastructure with modern web UI, strong spam defense and end-to-end encryption – completely self-hosted.
Request a demoAt a glance
- Postfix + Dovecot
- Rspamd anti-spam
- DKIM, SPF, DMARC
- PGP / S/MIME
- SOGo webmail
- CalDAV & CardDAV
Features at a glance
Everything you need for professional, secure corporate email – self-hosted and fully integrated.
Postfix SMTP
Reliable mail transport with queueing, routing and TLS encryption on the wire.
Dovecot IMAP/POP
Fast, scalable mailbox access with Sieve filters and full quota support.
Rspamd Anti-Spam
Modern spam filtering with machine learning and Bayes classification.
DKIM/SPF/DMARC
Cryptographic authentication and policy-based protection against spoofing.
SOGo Webmail + Calendar
Modern webmail with calendar, contacts and ActiveSync for all mobile devices.
ClamAV Anti-Virus
Every message is scanned against a continuously updated signature database.
Technology & integration
Mailcow bundles all proven open-source components into a cohesive, container-based platform. All services are tightly integrated and share a unified admin UI.
- • Mailcow-dockerized
- • Postfix + Dovecot
- • SOGo Webmail & ActiveSync
- • Rspamd + ClamAV
- • Let's Encrypt certificates
- • TLS 1.3 encryption
Your benefits
- Full control over your mail data
- GDPR-compliant, audit-ready
- Strong anti-spam & anti-virus
- Open source – no vendor lock-in
Ready for self-hosted email?
Let's design and migrate your mail platform to Mailcow – from DNS setup to a clean cutover.