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
What is the best practice for determining how many soft bounces before suppressing a user?
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Should I include List-Unsubscribe headers in transactional emails and what are the DKIM best practices?
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What are the Gmail delivery rate limits and how does sender reputation affect them?
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How can I identify the SMTP provider from an MX record?
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How do Google Groups impact DMARC when forwarding emails from multiple domains?
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How do subdomains affect root domain reputation and how can I fix Microsoft O365 Outlook SCL:5 spam filtering issues?
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Why is Avanan showing up in my DMARC reports and how do I fix it?
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Why is Microsoft Defender marking my one-to-one emails as spam with a high SCL score when authentication is correct and there are no blacklist issues?
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Why are my emails going to spam after migrating to a new domain and ESP, and what steps can I take to improve inbox placement?
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Why is my BIMI logo not showing up in Gmail despite having a VMC certificate?
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Why are my emails blocked by Barracuda even when not listed on blocklists?
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Why is my Gmail Postmaster Tools Spam Feedback Loop not populating?
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