DMARC policy options: What it is & how to reach enforcement

DMARC policies control what happens when emails fail authentication. Learn your policy options (none, quarantine, reject) and how to reach enforcement.
DMARC percentage (pct) tag: what it does and how to use it

The DMARC pct tag controls what percentage of emails get checked against your policy. Learn what it does, why pct=0 is dangerous, and how to use it correctly.
How to read email headers: Decode SPF, DKIM, and DMARC like a pro

Ever opened an email header and had no idea what was going on? This quick guide will give you the know-how you need to understand.
How to verify email sender identity: Complete guide for 2026

Learn the greatest threats to your email communications and how to better verify email sender identity to protect your business and customers.
DMARC in finance: Securing bank and financial emails

Learn how DMARC protects financial institutions from email fraud and phishing attacks while maintaining regulatory compliance and customer trust.
Solving the seven biggest DMARC challenges: A guide for email security teams

Struggling with DMARC? Explore 7 common challenges and find targeted solutions to move your email authentication project forward.
Unlock visibility with Valimail’s new Domain Report Card

Gain clear visibility into your domain’s email authentication with Valimail’s free Domain Report Card—assess risk, identify gaps, and get DMARC insights.
Stop playing catch up: How proactive alerting prevents email failures before they happen

Manual DMARC management leaves blind spots. Discover how Valimail’s proactive alerting gives IT teams visibility and control before problems start.
Meet the Valimail support team: 46+ years of DMARC expertise on your side

Meet the people behind Valimail’s world-class support team, bringing 46+ years of email authentication experience to our customers.
How to automate DMARC enforcement at enterprise scale

Automate DMARC configuration and monitoring at enterprise scale. Get brand protection and compliance without manual work.
Phishing vs. spear phishing: What’s the difference in 2026?
Spear phishing targets specific individuals, while regular phishing casts a wide net. Learn the key differences between phishing vs. spear phishing.
Is hosted DMARC worth it? Pros, cons, and when to use it vs managing it on your own

Find out what hosted DMARC is, when your business should use it, and whether it’s a worthwhile investment to strengthen your organization’s email security.