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 Advisor, SmarterMSP, and BlockTelegraph.
Posts by Michael
What causes bounces related to Spamhaus SBL-XBL database and how to troubleshoot?
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What should I do if my email domain gets spoofed?
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How to configure DomainKeys DKIM for email authentication and is it still relevant?
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What platforms are used to monitor email deliverability, reputation score, and sender score?
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What are some examples of email bots or checkers that provide data about sent emails?
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How to configure SPF, DKIM, and DMARC when sending marketing emails from a subdomain but signing with the primary domain?
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Why is Outlook breaking DKIM keys and how can I fix it?
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What does an Authentication Results Header contain when DKIM passes but DomainKeys fail?
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How to identify and handle spoofed emails violating DMARC policies?
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How to troubleshoot Postfix 'too many connections' errors after upgrading?
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How do I get delisted from IVMuri and what causes listings?
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Why are my tracking links not working in Chrome and showing an error?
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