Offers a fast, zero-dependency email testing tool and API, featuring a web UI, SMTP server, Postmark API emulation, and an MCP server for AI-assisted debugging.
MailSandbox is an efficient, multi-platform email testing tool and API designed for developers. It provides a lightweight solution with zero dependencies, offering an SMTP server, a modern web interface, and a robust REST API. Key functionalities include Postmark API emulation for seamless integration during development and an MCP server, which empowers AI assistants to list, search, and analyze messages for enhanced debugging and testing workflows.