Category

Email Authentication and Standards

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


13 articles
Latest Oldest
How to fix SPF failure?

How to fix SPF failure?

Understand and Troubleshoot “SPF Authentication Failed” Results We all have heard of SPF or Sender Policy Framework. You may not...

6 min 11 Oct 2023
SMTP TLS REPORTING

SMTP TLS REPORTING

The SMTP TLS reporting is a tool to identify probable misconfigurations. SMTP is a communication channel for sending electronic mail....

5 min 11 Oct 2023
If DMARC is required, why is it not used?

If DMARC is required, why is it not used?

DMARC (Domain-based Message Authentication, Reporting, and Conformance) is an email validation system that prevents your company’s email domain from being...

4 min 11 Oct 2023
Avoid this SPF Mistake

Avoid this SPF Mistake

The SPF protocol employs ‘include mechanisms,’ which allow the domain owner to delegate specific authorization to another party. This is...

3 min 11 Oct 2023
19 DMARC myths debunked by the experts

19 DMARC myths debunked by the experts

Many people don’t instantly understand what DMARC accomplishes or how it protects against fraud, impersonation, and domain spoofing. There are...

8 min 11 Oct 2023
SPF Record Syntax

SPF Record Syntax

An SPF record is made up of several parts. The first part should always be the version number, and after...

4 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