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
Is there a V2 API available for Google Postmaster Tools?
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How to interpret DMARC reports, including sender identification and failure types?
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How do I setup a subdomain for email sending with Klaviyo?
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Is Mail Mend a legitimate email service?
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Why are images from a reputable vendor's email blocked by my network?
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Why aren't my DKIM records validating even though they are accurate?
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How to resolve temporary deferred messages from Yahoo and other email deliverability issues?
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How do I troubleshoot email deliverability issues with Microsoft Exchange Online Protection?
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What causes the Yahoo! PH01 error in email campaigns and how can it be resolved?
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What are the best practices for sunsetting inactive email subscribers according to ISPs and GDPR?
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How to resolve Office 365 SCL rating issues for corporate email from Google Workspace?
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What causes a 'domain not configured to use this MX host' bounce message?
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