Resources

Learn More About DMARC and Email Authentication

DMARC is a crucial authentication tool that stops spammers and phishers from using company domains to carry out dangerous cyber attacks. By providing insight and analysis, DMARC reduces the chances that your company domain will be used in a malicious attack. Below, we’ve compiled helpful resources that provide additional info for individuals looking to enhance an organization’s email security posture. We intend to continue to expand the resources library, and welcome relevant info from interested partners that wish to contribute to the community knowledge base. If you have additional questions that aren’t addressed below, check out the FAQ page on DMARC.org.

GCA Setup Guide Video Training Series

Part 1: Introduction

Part 2: SPF

Part 3: DKIM

Part 4: DMARC

Featured Resources

The Facts About Email Fraud

Email fraud is a pervasive problem affecting business around the world. Don’t fall victim to phishing and malware. Instead, get the facts.
Start Here.

How Does DMARC Work?

Setting up DMARC on your mail server is relatively easy if you follow these steps. Download the infographic to see how.
Learn More

All You Need to Know about DMARC

Implementing DMARC is an essential step to ensure your business data and your brand are protected against phishing attacks.
Learn More

Explore Our Library of Insights, Articles and More

Article

Why Email Authentication Matters to Local Governments

Our partners at Valimail created a new infographic explaining why it is important for local governments to have email authentication. Please click...
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Article

Only 10% of Tech Companies Protected From Phishing by DMARC Enforcement

According to a study conducted by Valimail, roughly 10% of tech companies are protected from phishing attacks by DMARC. Email authentication technology...
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Article

Why SPF is so Funky in Today’s Modern World

SPF (Sender Policy Framework) has been around for many, many years - dating all the way back to 1997. However, there are...
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Article

If The Police Are Vulnerable To Cyber Attacks, How Safe Is Your Firm?

The Police Federation of England and Wales (PPEW) have been exposed to a malware attack earlier in March. The attack was first...
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Insight

Why State and Local Governments Should Adopt DMARC

Thousands of state and local government domains are still prone to cyber attacks on their email systems. All of these domains can...
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Infographic

Valimail: The Value of DMARC

Our Partner, Valimail, created an infographic about the real value of DMARC. They have also written a blog post summarizing the infographic...
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Resource

Agari Research: One in Five Advanced Email Attacks Sent from Compromised Accounts

Agari published their report, Q1 2019 Email Fraud & Identity Deception Trends. The report reveals that ATO (account take-over) attacks compromise 20%...
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Resource

Majority of top 100 Law Firms Operate with ZERO DMARC Policy in Place

250ok released a report earlier this year, DMARC Adoption Among the Top 100 Law Firms, in which it was revealed that "more...
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Resource

How To: Implementing DMARC on Various Systems

Below are some resources to assist you with implementing DMARC on various systems. Cisco IronPort: http://www.cisco.com/c/dam/en/us/products/collateral/security/esa-spf-dkim-dmarc.pdf Postfix: https://www.skelleton.net/2015/03/21/how-to-eliminate-spam-and-protect-your-name-with-dmarc/ https://petermolnar.net/howto-spf-dkim-dmarc-postfix/ Office 365: SPF –...
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