MTA-STS & TLS-RPT Manager

Transport Security

Strict Transport Security for Email. Enforce TLS encryption and receive delivery failure reports.

1. General Configuration

Domain Name *

Enter domain and press Enter to auto-fetch mail servers.

Policy Mode

Report-only mode. Use this to start.

Max Age (Seconds)

Default: 86400 (1 day) as requested. Recommended: 604800.

Reporting Email (TLS-RPT)

For delivery failure reports (via _smtp._tls).

Authorized Mail Server Patterns

Tip: Enter your domain above to automatically fetch your current MX records into this whitelist.

Enter your domain name in the configuration panel to automatically detect current settings and generate your MTA-STS records.

Stops Downgrade attacks & Man-in-the-Middle snooping.

Receive TLS-RPT insights on email delivery failures.