Resources

Blog

DKIM vs. SPF Email Standards: Do I Need Them Both?

When it comes to email authentication standards, should you use DKIM, SPF, or both? We’re going to cover these terms, when you should use them, what they do—and how best to protect your email domains. Is it Either/Or—or Both? Should the battle really be SPF vs. DKIM? While not mandatory, it’s highly recommended to use both SPF and DKIM to protect your email domains from spoofing attacks and fraud...
Blog

DKIM Guide: How to Set Up the Email Standard Step by Step

In this DKIM setup guide, we’ll walk you through the steps on how to set up DKIM correctly, test it, avoid common pitfalls, and fix common mistakes. In case you’re new to DKIM, or DomainKeys Identified Mail, we’ll start with a high-level overview before getting to the step-by-step instructions, but you can first look up your DKIM record here . What is DKIM? A Brief Introduction DKIM is a standard...
On-Demand Webinar

Simplifying DMARC Email Authentication with Agari DMARC Protection

In this webinar, discover how Agari DMARC Protection automates and simplifies DMARC email authentication so you can get to policy=reject faster. You will gain valuable insights, such as: The challenge and limits of DMARC. The benefits of hosted DMARC, BIMI, SPF, and DKIM records. How automated discovery helps quickly identify email senders. Ways to quickly investigate unknown senders. Tips for...
Datasheet

Agari Automation and Hosting Features

The Email Authentication Challenge Email is the #1 way attackers target an organization’s customers and email ecosystem. DMARC authentication, specifically with an enforcement policy of Reject, is the single most effective way to close this vulnerability inherent to email. While the premise of authentication is straightforward, organizations can encounter roadblocks and challenges along the way to...
Datasheet

Financial Services Tips for Securing Email with Agari

Financial Services Tips for Securing Email with Agari Although email is one of the primary digital channels for customer interaction within financial services institutions, it has never been secure. Today, with phishing more common than ever, anyone can spoof your brand and leverage it to hijack sensitive information from your customers. Phishing has played a role in almost every type of...
Blog

DKIM for Email: What It Is, How It Works, and How to Add It

We'll cover what DKIM for email is, why your company needs it, how it works, how to set DKIM up, and additional ways to prevent email spoofing attacks. What is DKIM? First, let’s clarify what DKIM is in email. DomainKeys Identified Mail is a technique that uses your domain name to sign your emails with a digital “signature” so your customers know it’s really you sending those emails and that they...
Blog

Phishing: With Zero-Day Email Attacks Rising, Are Some Companies Giving Up the Fight?

Amid a troubling rise in zero-day phishing attacks, recent research suggests that some companies may be making an ill-advised shift away from blocking advanced email threats to responding to them post-delivery. If true, the capitulation couldn't come at a worse time. Since January, cybercriminals taking advantage of the COVID-19 outbreak have been targeting businesses and individuals with an...
Blog

Protecting our Clients from Email Spoofing: Our DMARC Journey

This post originally appeared on the Armadillo Blog and has been lightly edited for clarity. Most organisations have been successful in blocking malicious emails targeted at their employees, at least to some extent. Various on-premise and cloud providers exist to take care of anti-spam, anti-virus, reputation scores, and advanced features such as sandboxing of executables. As a service provider...
Blog

Don’t Let Your Customers Be Fooled By Cousin Domains

In the last five years, we’ve all become far too familiar with it – hackers spoofing a company’s domain and therefore tarnishing the brand, bad actors attempting to infect our computers with malware, and criminals sending millions of spam messages. As if this isn’t enough, now there is a whole group of people working to outsmart companies AND their customers by using cousin domains to fool...
Blog

What is Identifier Alignment?

When you begin to work with DMARC, you realize just how important identifier alignment is. Identifier alignment forces the domains authenticated by SPF and DKIM to have a relationship to the "header From" domain. Header From Domain and the MailFrom domain are different? Yes, they are! Hearing these terms can confuse people. They sound like the same thing, but in reality they are not. The...
Blog

What are the Differences Between DomainKeys (DK) and DKIM?

This is the second in a new ongoing series for us that gives you the tips and tricks you need for successful DMARC deployment . Read the previous tip here . DomainKeys Identified Mail (DKIM) is the successor to Yahoo DomainKeys. Both share similarities, however DKIM has the additional aspects of Cisco's Identified Internet Mail standard (IIM). The enhancements to this standard gives more security...
Blog

DMARC is Transformational

The Benefits of Monitor Mode When a technology exists that can tell you if and when your domains are being spoofed (and by who), why would you not use it?! What is DMARC? DMARC was created to address some fundamental problems with existing email authentication technologies (SPF and DKIM). It provides feedback about your email authentication implementation and gives ISPs (Google, Yahoo!, Microsoft...