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
How to resolve Proofpoint identifying authenticated emails as spoofed?
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How do I fix DKIM alignment errors and configure DKIM signing for a custom domain in Microsoft 365 and is include:spf.mtasv.net required for mailchimp?
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Why am I getting a Hotmail SSL error and how do I fix it?
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Why is Gmail bouncing my emails with RFC5322 errors when Outlook accepts them?
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What are common email bounce messages and what do they mean?
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Why are Microsoft email addresses bouncing and how do I fix it?
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Can Gmail give false positive SMTP bounce responses?
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How long does IP warming take at Microsoft and does mitigation reset reputation?
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Does plain text email version affect deliverability?
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Why is Gmail throwing errors and marking my emails as phishing?
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Why am I getting soft bounces from Windstream, TDS, CenturyTel, Hughes and Zoom Internet?
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How do I find the domain registrar and nameservers used by Shopify?
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