You have a Microsoft 365 subscription for a company named Fabrikam,Inc. The company uses an Exchange Online tenant that has an email domain named fabirkam.com.
Fabrikam works with a partner company Contoso, Ltd. that uses an email domain named contoso.com.
A new security policy at Contoso states that any email sent from partners to Contoso employees must use TLS encryption.
You need to ensure that email sent from Fabrikam to Contoso uses TLS.
What should you create in the tenant?