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Get a VPS with a static IP and reverse DNS configured (Hetzner recommended)
Install Mail-in-a-Box or Mailcow on your server
Configure DNS records: MX, SPF, DKIM, DMARC for deliverability
Set up TLS certificates with Let's Encrypt
Test deliverability using mail-tester.com before going live
Warning: self-hosting email is high-maintenance — Proton Mail is easier for most people
Estimated time: 4-6 hours setup + ongoing maintenance. Difficulty level: Hard.
Yes, this guide was last verified in 2026 and reflects the current process.
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