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 do I warm up a new IP address for transactional emails?
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What could cause email timeouts specifically with Comcast/Xfinity?
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How do I set up DKIM with A2 Hosting and troubleshoot validation issues?
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What are TSS04 errors and how do I fix them?
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Do subdomains need their own DMARC records if the main domain has one?
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Why are Bigpond emails bouncing with a content-based spam reason?
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How to resolve email blocking issues with Optimum/Optonline/Altice/Synchronoss?
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Why does the Outlook app display the URL behind href links in the email content?
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Is implementing a list-unsubscribe header mandatory for Gmail and Yahoo and what are the impacts?
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What causes Gmail DKIM domain rate limiting errors and how are they related to SPF?
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When are separate SPF records needed for a domain and its subdomains?
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Should Shopify checkout opt-in boxes for email marketing be pre-checked for GDPR and deliverability?
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