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 I regain admin access to Google Postmaster Tools if the previous manager left?
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What causes Proofpoint to block or defer emails sent to iCloud addresses and how can I resolve it?
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How long does it take for domain to be compliant in Google Postmaster after reducing spam rates?
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What causes Yahoo policy violations in transactional emails and how can they be resolved?
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What causes 'Permanent Error Evaluating DMARC Policy' bounce message?
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Why are emails sent via Mailchimp delivered successfully but not received by Microsoft accounts?
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Why is Microsoft blocking my automated emails?
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How can I check historical email traffic volume for an IP address?
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Why am I getting a 550 Sender Not Verified error for a small percentage of recipients with a correct return path?
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How does the DMARC sp tag affect subdomain policies?
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What are the risks of including email addresses as URL parameters?
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Why do welcome emails go to spam and how to fix it?
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