# postal

> Self-hosted email delivery platform for websites and apps

Postal is a fully featured mail server for handling incoming and outgoing email, built as a self-hosted alternative to services like Sendgrid and Mailgun. It manages email routing, delivery tracking, and spam filtering through a centralized web interface. It runs on your own servers using Docker.

- Source: https://github.com/postalserver/postal
- Homepage: https://postalserver.io
- License: MIT
- Built with: Ruby 76.8%, Haml 15.0%, SCSS 6.1%, Other 2.1%
- Stars: 16909
- Forks: 1318
- Contributors: 46
- Last commit: 2026-10-01
- Latest release: 3.3.7 (2026-06-03)
- Purpose: Self-hosted apps, Infra & DevOps, Communication
- Type: Web, Docker / self-host
- For: Personal, Enterprise

## Worth score: 77/100

How much DigGitHub recommends it, from activity, adoption, docs, license and security signals.

- Popularity: 21/25
- Momentum: 10/20
- Maintenance: 21/25
- Community: 10/15
- Readiness: 15/15

## Downloads

Latest release: [v3.3.7](https://github.com/postalserver/postal/releases/tag/3.3.7). Files from the project's GitHub release, not checked by DigGitHub.

Source code only: this release has no files to download.

## Alternatives

- [maddy](https://diggithub.com/foxcpp/maddy.md): Composable all-in-one mail server
- [mailcow-dockerized](https://diggithub.com/mailcow/mailcow-dockerized.md): Open-source Docker-based email and groupware server suite
- [listmonk](https://diggithub.com/knadh/listmonk.md): Self-hosted newsletter and mailing list manager
- [Discourse](https://diggithub.com/discourse/discourse.md): Platform for community discussion
- [diaspora](https://diggithub.com/diaspora/diaspora.md): Privacy-aware, distributed social network

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Source page: https://diggithub.com/postalserver/postal
Updated: 2026-10-31