DMARC

Email authentication protocol preventing domain spoofing and phishing attacks.

Posts for this tag
All posts
Google.com Scam Sent via Gmail API - DMARC Passed, No Account Compromise

A scam email sent from @google.com passed SPF, DKIM, and DMARC without a compromised account. Here’s what it reveals about modern email threats.

Google.com Scam Sent via Gmail API - DMARC Passed, No Account Compromise
What DMARC Really Reveals About Real Estate Email Security

A real-world snapshot of what DMARC exposes in real estate email systems and why many organizations choose to ignore the warning signs.

What DMARC Really Reveals About Real Estate Email Security
Unexpected DMARC Reports Flood emvdmarc[.]com After Domain Acquisition

New domain emvdmarc[.]com receives DMARC reports from random organizations, creating unexpected security concerns.

Unexpected DMARC Reports Flood emvdmarc[.]com After Domain Acquisition
Phishing Attacks Highlight Need for Mandatory Email Security Training

Employees lacking phishing awareness risk credential compromise, even from fully authenticated DKIM/SPF emails.

Phishing Attacks Highlight Need for Mandatory Email Security Training
How a DMARC Misconfiguration Exposed Sensitive Email Data

Neglected DMARC reporting addresses can leak internal email infrastructure and sensitive organizational information.

How a DMARC Misconfiguration Exposed Sensitive Email Data
How Misconfigured DMARC Can Enable Email-Based DoS Attacks

Wildcard EDV misconfigurations let attackers flood inboxes with DMARC reports, disrupting email flow.

How Misconfigured DMARC Can Enable Email-Based DoS Attacks
Why Email Warm-Up Is Critical for Deliverability

Sending large volumes without warming up can damage sender reputation and trigger spam filtering.

Why Email Warm-Up Is Critical for Deliverability