Resource library

Resources

Your destination for the latest in email security and compliance — expert guidance, product updates, and practical resources.

9 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
Formats

Browse by type

Choose a content type to read case studies, guides, and other posts from the Authentication Journal.

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