test-mta-sts

MTA-STS Policy (Mail Transfer Agent Strict Transport Security)

This repository hosts the MTA-STS policy file for the domain test.digital.mod.uk.

📌 What is MTA-STS?

MTA-STS (Mail Transfer Agent Strict Transport Security) is a security standard that ensures email sent to your domain is delivered over a secure TLS connection.

It helps protect against:

• Man-in-the-middle (MITM) attacks
• Downgrade attacks on SMTP connections