posthorn
by craigmccaskill · github.com/craigmccaskill/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.
Stars
★ 205
Forks
10
Language
Go
Category
Backend / Infra
License
Apache-2.0
dockeremailemail-gatewaygohomelabmail-gatewaypostmarkself-hostedsmtp-relaytransactional-email
Featured in
- posthorn @ 12:33 · May 30, 2026