Category
Email Authentication and Standards
SPF, DKIM, DMARC, BIMI, MTA-STS, and TLS-RPT — standards, guidance, and enforcement strategy for the enterprise inbox.
86
Articles published
Tue May 2026
11 Oct 2023 4 min read
How to set up DMARC for DNS
We’ll explain how to configure DMARC for your company’s email, including what you’ll need and how to add DMARC to your DNS. Just follow these DMARC setup steps! Before we begin, here’s a high-level overview of how to add DMARC...
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Intro to Email Authentication: 2024
What is email authentication? Email authentication is the process of verifying that an email comes from the sender that it...
7 min 11 Oct 2023
DMARC Vulnerability
What is DMARC vulnerability? DMARC vulnerability refers to errors that users make while implementing the protocol, which can range from...
4 min 11 Oct 2023
DMARC VS DKIM VS SPF
If you’re new to email authentication, it’s likely that you’ve run up terms like DMARC, DKIM, and SPF and want...
4 min 11 Oct 2023
What Is an SMTP Server, and How Does It Work?
Although emailing is a popular means of communication for both organizations and individuals, have you ever paused to consider what...
5 min 11 Oct 2023
What is a DMARC Policy?
DMARC POLICY? A DMARC policy is an email authentication policy that allows domain owners to specify how their emails should...
6 min 11 Oct 2023
SPF Record
What is an SPF Record A DNS (Domain Name System) entry known as an SPF record allows you to specify...
3 min 11 Oct 2023
Ten DMARC myths ready to be debunked
The internet is a great resource for finding information on a variety of topics; however, it is important to be...
8 min 7 Sep 2023
The Skysnag Scanner
Check your domain's DMARC compliance.
Five protocols. Sixty seconds. No account. A full authentication-posture report on your domain, delivered before your coffee cools.
DMARC · SPF · DKIM BIMI · MTA-STS · TLS-RPT No signup required
