What is Mail-in-a-Box?
Mail-in-a-Box is a one-click, easy-to-deploy mail server in a box. What is it? Complete email setup including webmail (Nextcloud), IMAP, SMTP, DNS, spam filtering, and more. What's inside the box: Postfix, Dovecot, Roundcube, Nextcloud, Z-Push for ActiveSync, spamassassin, and more. Why build this? To make email self-hosting accessible. Active development and community support available.
Key Features
- ✓One-click setup
- ✓Webmail (Roundcube)
- ✓IMAP/SMTP
- ✓DNS management
- ✓Spam filtering
- ✓Nextcloud contacts/calendar
- ✓ActiveSync (Z-Push)
- ✓Let's Encrypt TLS
- ✓Backups
- ✓Status checks
- ✓Open source
- ✓Ubuntu-based
🔒 Privacy & Data Protection
Mail-in-a-Box is fully self-hosted – complete control over email data. Open-source and transparent. For anyone wanting to escape Gmail/Outlook with easy self-hosting, Mail-in-a-Box delivers simplicity.
Best For
Self-hosted emailPersonal email serverSmall business emailPrivacy-focused emailGmail replacementEasy mail setup
💰 Pricing
Mail-in-a-Box is completely free and open-source. You pay only for VPS hosting.
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