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...

Wondering what Brand Indicators for Message Identification actually means? Here, we’ll cover the basics of BIMI, what the BIMI-selector header is, what it does, whether you need it, and how to implement it. But first, do you really need the BIMI-selector header? In most cases, you only need the BIMI-selector header if you want to support multiple logos for multiple brands or subdomains. Otherwise...

Curious how BIMI can protect your email? I’ll explain what BIMI is, how it works, and how you can use it to protect your brand’s email communications. What is BIMI? Brand Indicators for Message Identification, or BIMI, provides a standardized method for businesses to showcase their brand logo next to the subject line of their authenticated emails so they stand out in crowded inboxes, with built-in...

For a growing number of email marketers, it may be "BIMI or bust." As of June 30, nearly 5,300 companies have adopted Brand Indicators for Message Identification ( BIMI ), a new email standard for showcasing a brand's logo next to its email messages in recipient inboxes, with built-in protections against phishing-based brand spoofing. The tally reflects a 3.8X increase in the number of brands...

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...

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...

This is the start of a new ongoing series for us that gives you the tips and tricks you need for successful DMARC deployment. What does "PermError SPF Permanent Error: Too many DNS lookups" mean? There are several safeguards put in place with SPF . One of these is a limitation of DNS lookups to help ensure that you do not have timeout issues. SPF will evaluate only 10 DNS mechanism lookups in an...

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...