Co-founder and CEO
Michael Ko
Michael Ko is co-founder and CEO of Suped, a platform dedicated to simplifying DMARC monitoring and enforcement. Prior to founding Suped, he built a track record leading large-scale technology teams and delivering complex solutions at prominent organizations like Amazon and Deloitte Digital.
His enterprise-grade technology experience now fuels his work on a critical and often overlooked area of cybersecurity. Michael advocates for making foundational security controls like DMARC accessible and manageable for organizations of all sizes, empowering them to protect their brand and their customers.
Michael is frequently cited in the press on email security, phishing, privacy compliance, and cybersecurity compliance, including Newsweek, Forbes, SmarterMSP, and BlockTelegraph.
Posts by Michael
How do subdomain spam complaints affect root domain reputation in Google Postmaster Tools?
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Is DKIM signature case-sensitive and what causes DKIM tester errors?
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How does a missing DKIM DNS TXT record affect email deliverability?
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What is the impact of being on the UCEPROTECTL3 blacklist and how to deal with it?
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Why are my email campaigns to Yahoo users getting deferred and how can I fix it?
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How to find the GoDaddy account owner without login details or contact information?
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How do I contact Microsoft about email deliverability issues for B2B clients?
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How does ProofPoint affect email authentication for organizational Outlook domains?
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Is it possible to alias DKIM records, and what is NS delegation?
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How does private WHOIS impact email deliverability for high-volume senders?
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How can I report SMS spam and potentially receive compensation?
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When and why should I switch from DMARC p=none to p=quarantine or p=reject?
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