Based on technical discussions and security advisories found on GitHub, is currently considered end-of-life (EOL) and is no longer recommended for secure production environments. While it was a popular free, open-source e-mail server for Microsoft Windows, its security posture has significantly weakened due to a lack of active maintenance. Security & Exploit Review
In the world of Windows-based邮件服务器, remains a popular, free, and open-source choice for small to medium-sized businesses. However, its legacy codebase and continued widespread use make it a frequent target for penetration testers and malicious actors alike. For security researchers, GitHub has become the primary repository for proof-of-concept (PoC) exploits, vulnerability disclosures, and automated attack tools. hmailserver exploit github
Several older versions of HmailServer's PHPWebAdmin component (prior to 5.6.8) suffered from blind SQL injection in the index.php parameter handling. This allowed unauthenticated attackers to dump the database—including password hashes (DEFAULT: SHA256 of the password with a salt). However, its legacy codebase and continued widespread use