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DMARCbis is official: what the new DMARC means for your domain

DMARCbis is official: what the new DMARC means for your domain

DMARCbis was published in May 2026 as RFC 9989. Here's what changed — the new np tag, the DNS Tree Walk, the removal of pct — and whether you need to do anything.
Google tightens Gmail filters this month! November 2025

Google tightens Gmail filters this month! November 2025

Google tightens Gmail filters this month! November 2025
Introducing “Insights”: A New Way to Understand Your Delivery Performance

Introducing “Insights”: A New Way to Understand Your Delivery Performance

Introducing “Insights”: A New Way to Understand Your Delivery Performance
Risks Associated with Microsoft Direct Send

Risks Associated with Microsoft Direct Send

Risks Associated with Microsoft Direct Send
Your Digital Footprint: A Hidden Gateway to Hacking and Spam

Your Digital Footprint: A Hidden Gateway to Hacking and Spam

Your Digital Footprint: A Hidden Gateway to Hacking and Spam
Why DMARC Monitoring is important

Why DMARC Monitoring is important

Monitoring your email flow using DMARC Reporting is essential for maintaining domain security, protecting your reputation, and improving email deliverability.
Can Your Domain Be Spoofed? Most Can!

Can Your Domain Be Spoofed? Most Can!

To this day, most internet domain can be spoofed and we'll explain why
About DMARCGUY eMails compliance monitoring service

About DMARCGUY eMails compliance monitoring service

DMARCGUY has rigorously evaluated numerous DMARC monitoring tools and selected URIports, widely regarded as one of the top solutions on the market.
Microsoft's New Requirements for Bulk Senders, Effective May 5, 2025

Microsoft's New Requirements for Bulk Senders, Effective May 5, 2025

It has now become essential to properly configure your email system.
Would you hand a loaded gun to a stranger without asking what they’ll do with it?

Would you hand a loaded gun to a stranger without asking what they’ll do with it?

Contact an email security expert to lock down your DMARC and stop spoofing for good.
About this site & Why DMARC GUY

About this site & Why DMARC GUY

What led to the creation of DMARC GUY
NSA warns of North Korean hackers exploiting weak DMARC email policies

NSA warns of North Korean hackers exploiting weak DMARC email policies

NSA warns of North Korean hackers exploiting weak DMARC email policies
US Says North Korean Hackers Exploiting Weak DMARC Settings

US Says North Korean Hackers Exploiting Weak DMARC Settings

US Says North Korean Hackers Exploiting Weak DMARC Settings