Mailcow Email Server Suite

Mailcow is a complete mail server suite based on Docker, integrating Postfix, Dovecot, ClamAV, SOGo, Rspamd, Nginx, and MySQL into an easy-to-deploy containerized mail hosting platform. Created by Andre Peters, Mailcow provides a comprehensive web-based administration interface. Key features: Dockerized mail server with all components running as Docker containers for simplified deployment and updates. Postfix SMTP server for outgoing mail with TLS encryption, SPF, DKIM signing, and DMARC support. Dovecot IMAP and POP3 server for incoming mail with full-text search and push notifications via push-side. SOGo groupware providing webmail, calendar, contacts, and ActiveSync for Outlook and mobile device synchronization. Rspamd spam and virus filtering with fuzzy hashing, greylisting, neural network classification, and custom rules. ClamAV antivirus scanning for email attachments and automated signature updates. Integrated DKIM key management and DNS record generation. Web-based admin panel for managing domains, mailboxes, aliases, forwarding, and quotas with role-based access. Per-domain and per-mailbox quota management with detailed usage statistics. Fail2ban integration for brute-force protection. Lets Encrypt automatic SSL certificate provisioning. Two-factor authentication (TOTP) for admin and webmail access. Backup and restore tools including encrypted remote backups. Sync jobs for IMAP migration between servers. Cross-platform via Docker on any Linux distribution with sufficient resources.