io.github.msgwing/zerosmtpother

zerosmtp

Verified · today

A free SMTP relay that still takes a username and password, for devices that cannot do OAuth 2.0.

Install

claude mcp add zerosmtp -- npx -y [email protected]

Our take

ZeroSMTP appears to expose SMTP relay functionality for devices or workflows that still rely on username-and-password authentication instead of OAuth 2.0. It is mainly relevant to legacy integrations, embedded devices, or constrained mail-sending setups. The use case is understandable but sensitive, and the very limited visible adoption means it deserves extra caution around reliability, deliverability, and security expectations.

reviewed by hand · 2026-09-02

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Verification record

last verified
today
github stars
4
last commit
today
archived
no
license
MIT
npm
zerosmtp-mcp
latest version
1.0.2
in registry since
2026-09-01

github.com/msgwing/ZeroSMTP

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