DMARC Aggregate Report: What It Is and How to Use It for Email Security

Overview of DMARC Aggregate Reports DMARC (Domain-based Message Authentication, Reporting, & Conformance) aggregate reports are invaluable tools designed to help domain owners keep a watchful eye on their email authentication practices. These reports act as a beacon, illuminating how your emails are treated by the recipient’s mail systems. By summarizing results for both SPF (Sender…

DKIM Best Practices: Essential Guidelines for Email Authentication

DKIM Overview DKIM, or DomainKeys Identified Mail, is a powerful email authentication method that plays a pivotal role in enhancing the security of your email communications. Imagine it as a guardian standing watch over your email, ensuring that not only do the emails you receive originate from legitimate sources, but they also remain intact and…

The DMARC ‘fo’ tag options and their ideal use cases

There are some optional tags in DMARC, and ‘fo’ is one of them. It stands for ‘failure options.’ The ‘fo’ tag allows domain owners to specify the conditions under which forensic (RUF) reports should be generated for SPF and/or DKIM authentication checks. There are four possible values for this tag: fo=0, fo=1, fo=d, and fo=s….

How Many DMARC Records Can I Have? Understanding Email Authentication Limits

What is DMARC? DMARC, or Domain-based Message Authentication, Reporting & Conformance, is an essential email authentication protocol aimed at safeguarding domains from being misused in attacks such as spoofing and phishing. When we think about the security of our digital communications, it’s easy to overlook how vulnerable our email systems can be without proper protection….

Why should MSPs prioritize DMARC for their customers?

Why should MSPs prioritize DMARC for their customers?

Being a Managed Service Provider (MSP) for multiple clients is an intricate job, and they often overlook offering email security solutions, including SPF, DKIM, and DMARC. Email is an integral part of today’s corporate world, but now, this communication channel has become one of the most exploitable attack vectors. Threat actors use generative AI tools…

DMARC RUA Report Example: Comprehensive Guide to Email Analysis

What is a DMARC RUA Report? A DMARC RUA Report—the letters standing for “Reporting URI for Aggregate“—is a detailed document that offers domain owners insight into their email authentication processes. At its core, the report provides an overview of all the emails sent from a specific domain, including information about whether those emails passed or…