Self-Hosted Mail Server – Docker Compose Mail Platform

Self-Hosted Mail Server – Docker Compose Mail Platform

Self-Hosted Mail Server – Complete Docker Compose Mail Platform

A production-ready self-hosted email platform designed for businesses and organizations that want to operate their own mail infrastructure without relying on per-user hosted mail providers.

The system runs as a Docker Compose stack and includes mail delivery, mailbox storage, webmail, administration, spam and virus filtering, authentication, backups, monitoring and alerting.

Key Features

  • Postfix SMTP mail routing and delivery
  • Dovecot IMAP/POP3 and mail authentication
  • Haraka inbound mail gateway
  • Rspamd spam filtering and DKIM signing
  • ClamAV virus scanning
  • MariaDB for domains, mailboxes and aliases
  • Roundcube webmail
  • PostfixAdmin mailbox/domain administration
  • SPF, DKIM and DMARC support
  • SSL/TLS for mail services and web interfaces
  • Nginx reverse proxy
  • Fail2ban protection
  • Automated encrypted backups
  • Off-site backup synchronization
  • Prometheus and Grafana monitoring
  • Loki and Promtail log aggregation
  • Alertmanager alerting
  • Blackbox monitoring for mail ports and TLS certificates
  • Docker network segmentation
  • Mailbox quotas and management scripts

Included

  • Complete project source/configuration
  • Docker Compose configuration
  • Installation and deployment documentation
  • DNS configuration guide
  • Backup and restore procedures
  • Mailbox/domain management commands
  • Monitoring and operational documentation

Suitable for

  • Businesses wanting self-hosted email
  • Developers and system administrators
  • Private mail infrastructure
  • Organizations migrating away from hosted mail services
  • Custom mail-server deployments

Customization and deployment

Installation, deployment and custom configuration can be provided separately.

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