ZeroSMTP

Lightweight self-hosted SMTP relay

About

Network security & system administrator passionate about open source. Creator of ZeroSMTP. Building secure and practical tools for developers and IT teams.

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ZeroSMTP DOC

ZeroSMTP Github

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Maker History

ZeroSMTPLightweight and secure self-hosted SMTP relay
Aug 2026

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Joined Product HuntAugust 14th, 2026

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22h ago

ZeroSMTP - Lightweight and secure self-hosted SMTP relay

ZeroSMTP is a lightweight, secure, and self-hosted SMTP relay for developers and sysadmins. Run it effortlessly in Docker to handle reliable email delivery for your internal apps and infrastructure without complex mail server setups. Open source, fully controllable, and backed by clear documentation.