Category

Email Authentication and Standards

SPF, DKIM, DMARC, BIMI, MTA-STS, and TLS-RPT — standards, guidance, and enforcement strategy for the enterprise inbox.


10 articles
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SPF Record Syntax
11 Oct 2023 4 min read

SPF Record Syntax

An SPF record is made up of several parts. The first part should always be the version number, and after that, you can define valid senders with one or more mechanisms. SPF Record syntax is defined in detail in RFC...

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How to set up DMARC for DNS

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...

4 min 11 Oct 2023
DMARC Vulnerability

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

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 a DMARC Policy?

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

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
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