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 does ProofPoint affect email authentication for organizational Outlook domains?
Read article
Is it possible to alias DKIM records, and what is NS delegation?
Read article
How does private WHOIS impact email deliverability for high-volume senders?
Read article
How can I report SMS spam and potentially receive compensation?
Read article
When and why should I switch from DMARC p=none to p=quarantine or p=reject?
Read article
How can I resolve Microsoft Outlook S3140 errors blocking my transactional emails?
Read article
How does Apple Private Relay encode email addresses and how does domain whitelisting affect deliverability?
Read article
What causes high spam complaint rates in Gmail, and how can they be fixed?
Read article
Why is Gmail showing a warning message despite passing DMARC?
Read article
Why is Office365 automatically opening and clicking emails?
Read article
How to handle SendGrid shared IP blacklisting with low email volume?
Read article
Which email blocklists are most important for deliverability and how should they be prioritized?
Read article
