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SSL / Encryption

MTA-STS Policy

What is this?

Checks for an MTA-STS policy that forces inbound mail servers to use TLS, preventing downgrade and interception of your email.

How Igris Radar detects it

The Igris Radar scanner automatically flags MTA-STS Policy during its comprehensive audit of your web property. We simulate real-world crawlers and attack vectors to find issues before they impact your business.

Scan your site for this issue