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
A simple guide to DMARC, SPF, and DKIM
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Spam traps: what they are and how they work
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A practical guide to understanding your email domain reputation
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Demystifying the SPF TempError in your DMARC reports
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How to safely transition your DMARC policy to quarantine or reject
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Why you shouldn't add MailChimp to your SPF record
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What does it mean when your email is blacklisted?
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What is the full form of SPF in email?
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Understanding email greylisting and how it works
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What is a DNSBL and how does it affect email deliverability?
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What is an email blacklist and how does it work?
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A guide to BIMI accredited certificate providers
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