Parsey BV, operating under the brand Mailhardener, is a company focused on providing cybersecurity solutions for email protection. Their services mainly revolve around enhancing email security through DMARC (Domain-based Message Authentication, Reporting & Conformance) implementation, which helps organizations prevent email fraud and phishing attacks. They offer tools and resources to monitor, manage, and improve email authentication protocols, ensuring secure email communication for businesses. The company emphasizes user-friendly interfaces and detailed reporting to assist users in maintaining robust email security.