posthorn

Self-hosted email gateway between your apps and a transactional mail provider (Postmark, Resend, Mailgun, AWS SES, or outbound-SMTP). Three ingress shapes (HTTP form, HTTP API, SMTP). One Docker container, one TOML config.

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209 Stars

11 Forks

1 Watchers

Go Language

apache-2.0 License

100 SrcLog Score

Cost to Build

$43.6K

Market Value

$142.5K

How is this calculated?

Growth over time

3 data points · 2026-07-20 → 2026-08-24

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What is the craigmccaskill/posthorn GitHub project? Description: "Self-hosted email gateway between your apps and a transactional mail provider (Postmark, Resend, Mailgun, AWS SES, or outbound-SMTP). Three ingress shapes (HTTP form, HTTP API, SMTP). One Docker container, one TOML config.". Written in Go. Explain what it does, its main use cases, key features, and who would benefit from using it.

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How to clone posthorn

Clone via HTTPS

git clone https://github.com/craigmccaskill/posthorn.git

Clone via SSH

[email protected]:craigmccaskill/posthorn.git

Download ZIP

Download main.zip

Found an issue?

Report bugs or request features on the posthorn issue tracker:

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