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
How can I resolve Microsoft Outlook S3140 errors blocking my transactional emails?
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How does Apple Private Relay encode email addresses and how does domain whitelisting affect deliverability?
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What causes high spam complaint rates in Gmail, and how can they be fixed?
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Why is Gmail showing a warning message despite passing DMARC?
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Why is Office365 automatically opening and clicking emails?
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Which email blocklists are most important for deliverability and how should they be prioritized?
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Does the DKIM domain need to align with the List-Unsubscribe domain?
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What are the recommended email deliverability training classes?
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What causes Apple email bounces and how can I fix them?
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How to resolve SPF SOFTFAIL errors when moving to a dedicated IP address?
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Why are Yahoo inbound emails delayed and causing low open rates?
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What causes gibberish custom tags being added to contacts?
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