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
Why does Gmail have a higher rate limit than Google Workspace?
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What causes hard bounces when sending emails to Yopmail addresses and how to resolve them?
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How does SPF alignment work with DMARC in HubSpot, and what are the implications for shared and dedicated senders?
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Why do some emails from the same sender go to spam while others go to inbox?
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What is Zmail and what features does it offer as an email client and service?
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Why are Microsoft email deliverability issues unusually bad right now?
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What to do when Microsoft marks emails as spam from a shared IP address?
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How can I improve my Spam Complaint Level (SCL) on Outlook?
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Why are Salesforce emails blocked or refused, and what are potential solutions?
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How to troubleshoot emails going to spam in SFMC?
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What is an acceptable bounce rate threshold and how does it affect sender reputation?
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How long before cold emails are blocked and what are Gmail's policies on cold email?
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