I help organizations secure, optimize and troubleshoot enterprise email environments. With 20+ years of experience, my core expertise is Proofpoint Email Security and Threat Protection, with extensive experience across Cisco Secure Email, SonicWall, Microsoft Defender for Office 365, Exchange and Microsoft 365. I also specialize in SPF, DKIM, DMARC, DNS, SMTP, email deliverability and header analysis. I deliver secure, practical and standards-based solutions for growing businesses and global enterprises. Feel free to contact me before ordering to discuss your environment and requirements.... Read more