#smtp-relay (5 Repositories)
Ranked open-source repositories tagged with #smtp-relay, scored by pull request acceptance likelihood and maintainer engagement velocity.
2.7%
26.8h
5 repositories tagged #smtp-relay
KumoCorp/kumomta
The first Open-Source high-performance MTA developed from the ground-up for high-volume email sending environments.
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.
notqmail/notqmail
The collaborative Open Source successor to qmail and netqmail
axllent/mailpit
An email and SMTP testing tool with API for developers
truespar/sentio
Email inbox API for AI agents. Give every agent its own real email address, receive mail as structured webhooks, and reply in-thread over REST. A complete multi-tenant mail server in Rust: inbound and outbound, DKIM/SPF/DMARC/ARC, MTA-STS, DANE, three-tier anti-spam.