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
Why are my emails receiving Microsoft 550 5.7.515 access denied bounces despite correct authentication?
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What causes SSL/TLS key size errors in email SMTP transactions?
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Does CASL apply to emails sent from outside Canada to Canadian recipients?
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What is a bounce domain and how does its reputation impact email deliverability?
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How to implement DMARC p=reject policy safely to avoid email deliverability issues?
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Is an email domain considered Personally Identifiable Information (PII)?
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Why Hotmail email deliverability suddenly dropped
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Why does Google Postmaster Tools show a 100% abuse rate on days with no email sends?
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How to verify DMARC, DKIM, and SPF setup?
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What are the ethical concerns of using Cloudflare for online content protection?
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What are the different terms for email From addresses?
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Does a subdomain used for sending emails need its own SPF record?
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