# Mailpit Mailpit is an email and SMTP testing tool. It acts as an SMTP server, provides a Web UI to view and test captured emails. It also includes an API for integration testing. ## Features - Modern web UI for viewing and testing emails - REST API for automated integration testing - POP3 server for direct email client access - HTML/CSS compatibility testing against common email clients - Link validation, spam analysis, message tagging - Single static binary with no external dependencies - Multi-architecture Docker support ## Use Cases - Capture and inspect emails during local development - Automated email validation in CI/CD pipelines - Verify email client compatibility ## References - Documentation: https://mailpit.axllent.org/ - Sources: https://github.com/axllent/mailpit