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
How do hyperlinks in the body of an email affect deliverability?
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What is the cause of the unexpected banner appearing in Gmail desktop and is it resolved?
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Do PTR records and HELOs impact email deliverability?
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How do I resolve blocking issues with Charter/Spectrum?
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What causes '503 5.5.0 polite people say HELO first' bounce errors with Ziggo.nl and how are they resolved?
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How can I diagnose and fix deliverability issues in Salesforce Marketing Cloud?
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What are the implications of disabling TLS 1.0/1.1 for outgoing email and what alternatives are available?
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What should I do about Comcast throttling and deferral errors?
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Why was SendGrid's IP blocked by Spamhaus?
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Why are my email open rates low and how can I improve deliverability?
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Which mailbox providers use Spamhaus listings to block email and how does it affect deliverability?
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Do email marketing opt-outs ever expire?
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