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It lets agents and test workflows inspect messages, attachments, and relay behavior without touching real inboxes.\n\n## Installation\n\nUse the upstream install or setup path that matches your environment:\n- $ docker run -p 1080:1080 -p 1025:1025 maildev/maildev\n- npm install\n- npm run dev\n- To lint your code before submitting your PR, run npm run lint.\n\nRequirements and caveats from upstream:\n- [![Docker Pulls](https://img.shields.io/docker/pulls/maildev/maildev)](https://hub.docker.com/r/maildev/maildev)\n- **MailDev** is a simple way to test your project's generated email during development, with an easy to use web interface that runs on your machine built on top of [Node.js](http://www.nodejs.org).\n- ## Docker Run\n\nBasic usage or getting-started notes:\n- | Options | Environment variable | Description |\n- | -------------------------------- | -------------------------- | ----------------------------------------------------------------------------------------- |\n- | -s, 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