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 to resolve Microsoft 451 4.7.650 error during email IP warm-up?
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How long does the Apple Business Connect logo take to display on mobile?
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Why are Klaviyo test emails not delivering to Outlook after changing the sending domain?
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Why does Google's 'Honor Unsubscribe' status show 'needs work' for email senders?
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How to resolve Google Postmaster one-click unsubscribe 'Needs Work' errors for transactional and marketing emails?
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How to recover Gmail reputation after a failed email domain warm-up?
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Why is SPF alignment inconsistent or not aligned and how does it affect email deliverability?
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How to configure DMARC to reject emails when DKIM fails but SPF passes?
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Why Apple Branded Email logos don't show in native Mail apps
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Best free tools to check DMARC, SPF, and email setup.
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How to troubleshoot Microsoft email deliverability issues and analyze SNDS data?
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What email providers support BIMI without a VMC, and what are key considerations for BIMI implementation?
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