Email Security

MTA-STS / TLS-RPT Checker

Check MTA-STS TXT, HTTPS policy, and TLS-RPT records for email transport security.

What is MTA-STS / TLS-RPT Checker for?

Checks MTA-STS and TLS-RPT records to review TLS protection for SMTP delivery. The output is organized for quick review, copying, and cross-checking with nearby tools in the Email Security group.

How this tool works

Email security tools combine DNS records, authentication headers, and transport-related signals to explain delivery behavior. They are designed to support SPF, DKIM, DMARC, TLS, blacklist, and header troubleshooting without hiding the technical values.

Part of this tool group

Open nearby tools in the same group to cross-check, inspect deeper, or complete a small workflow.

Open Email Security hub

Frequently asked questions

When should I use MTA-STS / TLS-RPT Checker?

Checks MTA-STS and TLS-RPT records to review TLS protection for SMTP delivery. Use it when you need a quick, readable result before cross-checking with production data or related tools in the Email Security group.

Should I verify the result before applying changes?

Yes. Treat the output as an operational aid: review the source input, compare it with authoritative systems, and test changes in the correct environment before rollout.