PineMail

Pine Mail offers a robust, self-hosted SMTP mail catcher for local development and automated testing environments. Key features include: • Intercepts all outgoing emails during local development • Provides a clean web UI for viewing caught emails • Built-in long-polling API for programmatic access • Extracts One-Time Passwords (OTPs) and other signals automatically • Native server for agent-driven testing This tool eliminates the reliance on external network connections, third-party API keys, or subscription services often associated with cloud-based email sandboxes. Unlike traditional local catchers, Pine Mail is designed to seamlessly integrate with automated test suites, providing parsed MIME payloads and robust access for programmatic interaction, reducing the need for complex parsing and regex debugging. Pine Mail is ideal for developers and engineering teams building applications that send email, especially those requiring rigorous local testing of email functionalities like user registration, password resets, and notifications. It's particularly useful for end-to-end testing and quality assurance processes where reliable email capture and content extraction are critical for verifying application behavior.