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Transport policy

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Managed MTA-STS

Protect delivery to your receiving mail servers with an explicitly reviewed HTTPS transport policy.

Receiving transport policy

Prepare a policy, approve its exact text, verify your HTTPS host, then activate. Review TLS reports before enforcement.

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Managed MTA-STS

Prepare a reviewed transport policy for delivery to your receiving mail servers.

Who can do this: Authorised organisation policy managers.

Before you start: Select the correct organisation/domain; have expected MX hosts and HTTPS/DNS administration available.

Common questions

Is rollback immediate?

No. Withdrawal/new revisions require review, and senders can retain cached policies for their max_age.

New here?

Take a short tour of checks, evidence, monitoring and account scope.

Transport policy | Digital Assurance