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, SmarterMSP, and BlockTelegraph.
Posts by Michael
Why are my Gmail emails bouncing with a 'missing Message-ID' error?
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Can AI-generated email content hurt your deliverability?
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What causes Microsoft S3150 blocklist bounces and how can I resolve them?
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How to fix Gmail errors for SPF authentication, unauthenticated senders, and PTR records?
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How likely is Gmail to enforce the <0.3% spam rate limit within the next year?
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Why is my SPF record showing 'None' and how can I resolve it?
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Did Gmail change how it handles emails, causing content to appear as links?
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Why is DKIM failing due to bh= value or showing as not verified, and is Proofpoint involved?
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Should I change my DMARC policy from p=none to p=reject?
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Does a root domain BIMI record apply to subdomains without their own record?
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How can I best help customers with DMARC failures caused by Check Point Harmony Email & Collaboration?
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Are gradients allowed in BIMI SVG logos?
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