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 some SFMC emails failing DKIM and causing DMARC rejections?
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Against which domain is SPF checked?
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How does Gmail's new spam rate calculation impact email list management and engagement?
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What causes '550 administrative prohibition' bounces not due to recipient policy?
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What are the best practices for improving email click rates?
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What to do when Microsoft is confused about automated alerts from your domain?
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What does the SpamAssassin rule FONT_INVIS_MSGID test for?
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How do I fix Verizon Media deliverability problems with seasonal email sends?
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Does Mailchimp record subscriber IP address with single form opt-in?
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How can I get delisted from Spamhaus?
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How can I track which vendors share my email data with others?
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Why is iCloud blocking my emails and what can I do about it?
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