Features Pricing
Learn
What is DMARC? What is SPF? What is DKIM? What is BIMI?
Free Tools
DMARC Checker SPF Checker DKIM Checker BIMI Checker MTA-STS Checker Blacklist Checker Header Analyzer Domain Scanner Phishing URL Checker Email Verification BIMI Logo Converter Academy Blog Docs About Contact
Sign in Start →
Back to Academy

Secure the transport layer of your email with MTA-STS (Mail Transfer Agent Strict Transport Security) and gain visibility into encryption failures with TLS-RPT. This course covers the what, why, and how of both protocols.

Sign Up to Enroll — Free

Course Syllabus

  • 1
    What is MTA-STS?
    8 min
  • 2
    Implementing MTA-STS Step by Step
    9 min · Includes quiz
  • 3
    TLS-RPT Reporting
    8 min · Includes quiz

Your domain is being tested right now.
Are you watching?

Protect your brand and improve deliverability — automatically, with continuous monitoring and alerts.