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 tools can I use to monitor deliverability when sending emails from Microsoft Office or Google Workspace?
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What causes Office365 temp fails and how can they be resolved?
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Why am I seeing spam filter clicks with Hotmail and Outlook.com?
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How do I fix DMARC issues with Mailchimp and Woodpecker while using O365?
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What causes the Gmail authentication alert and how to resolve it?
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What is the impact of accidentally sending duplicate emails or sending to unsubscribed users?
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How do I verify multiple domains in Mailchimp to fix DMARC and DKIM issues?
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Is it better to send emails from a dedicated subdomain or a shared domain?
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Why are my Gmail emails bouncing with a 'missing Message-ID' error?
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Can AI-generated email content hurt your deliverability?
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What causes Microsoft S3150 blocklist bounces and how can I resolve them?
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How to fix Gmail errors for SPF authentication, unauthenticated senders, and PTR records?
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