Discover quality open-source projects, submit projects anonymously, and claim and edit your own project.
A little curiosity. A world of open source.
THE FIRST COLLECTIONSMTP Tool is a portable Windows desktop application for testing, diagnosing, and debugging SMTP servers. It supports TLS 1.3, real-time open/click tracking via local HTTP server, latency benchmarking, and interactive protocol terminal.
listmonk is a standalone, self-hosted newsletter and mailing list manager shipped as a single binary with a PostgreSQL data store and a modern web dashboard. It can be deployed with Docker Compose or as a binary, and is licensed under AGPLv3.
sendsmtp is a dependency-free command-line SMTP client written in pure Python. It builds a UTF-8 plain-text message from inline text, a file or stdin and delivers it to an SMTP server, with optional implicit TLS, STARTTLS, authentication, CC/BCC and verbose SMTP dialog output.
A production-ready, containerized full-stack mail server bundling Postfix, Dovecot, Rspamd, ClamAV, DKIM/DMARC and Fail2ban. Configuration is file-based with no SQL database, making deployment and upgrades simple and versioned.
