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 does SMTP Bounce Reason 4.1.8 (bad sender's system address) Domain of sender address does not resolve mean?
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How does using only BCC recipients affect email deliverability?
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How to resolve false positive phishing detection by Avast antivirus?
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How do email clients generate unsubscribe links, and what best practices should be followed?
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Why is my email deliverability to iCloud so poor compared to Gmail, and how can I fix it?
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Why are email clients being blocked by AT&T and how was it resolved?
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How to handle high volume incoming emails on Google Workspace with delays?
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Do Google Annotations impact email deliverability or inbox placement?
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Why does Gmail block emails with unicode characters or emojis in the from address?
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What does a SpamAssassin 'try it' message from mail-tester.com mean?
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What are the pros and cons of 1024-bit vs 2048-bit DKIM keys?
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Does base64 encoding of plain text emails impact spam filter scores?
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