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Postfix Mail Relay

Simple SMTP relay for environments where you may have private servers

Developer Tools & Git ★ 29 stars Easy setup free

Simple SMTP relay for environments where you may have private servers with no Internet connection.

Official siteSource code

Strengths

  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • One-click install on common self-host platforms
  • Written in Shell

Is Postfix Mail Relay secure?

OSV.dev has no published security advisories for Postfix Mail Relay's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

Health badge

Maintain Postfix Mail Relay? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 0 · at risk

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   :alt: SelfHostIndex health score for Postfix Mail Relay
   :target: https://selfhostindex.com/app/postfix-relay/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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