mailsandbox

MailSandbox (a fork of Mailpit) is a fast, zero-dependency email testing tool & API with a web UI, SMTP server, Postmark API emulation, and MCP server for AI-assisted debugging.

Official Go

★ 8 stars Last pushed 2025-09-15 License: MIT

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See the repository for installation instructions: https://github.com/btafoya/mailsandbox

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