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 does the Microsoft domain error '452 4.3.1 Insufficient system resources' mean for email senders?
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How to stop unwanted emails from Nextdoor?
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How does Spamhaus decide whether to list a subdomain or a whole domain on the DBL?
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What are the CAN-SPAM and CASL requirements for unsubscribe confirmation pages, preference updates, and email re-entry?
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What are the security risks and solutions associated with misspelled email addresses and password resets?
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Why are some emails not being delivered through Amazon SES?
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How to fix Google Postmaster Tools not working?
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How to solve return-path issues when sending from multiple domains in Google Workspace?
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Is Microsoft Azure a good platform to host an MTA (Mail Transfer Agent)?
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How to resolve Yahoo soft bounces and TSS04 errors when email warming up too fast?
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How does Apple Mail Privacy Protection (MPP) affect the tracking of email opens and clicks, and how are machine opens categorized?
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Is using the letter O instead of the number 0 in email subject lines a good practice?
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