
At the bottom of the Add setting box, click Save.(Optional) Click Test TLS connection to verify the connection to the receiving mail server. Validate certificate hostname (Recommended)-Verifies that the receiving hostname matches the certificate presented by the SMTP server. Require CA signed certificate (Recommended)-Requires the client SMTP server to present a certificate signed by a trusted Certificate Authority. To learn more about creating and using address lists, visit Apply Gmail settings to specific senders or domains. Click Save, then return to the Compliance tab to finish setting up TLS.Enter email addresses or domain names.To add addresses or domains to the new address list, click Bulk add addresses or Add address.In the Name field, enter a unique name for the address list.



Select Inbound, Outbound, or both. You must use an address list to enforce TLS for inbound and outbound messages.

In the Add setting box, enter a name for the setting and take these steps:.To add more TLS settings, click Add Another. Point to Secure transport (TLS) compliance and click Configure.On the left, select an organizational unit.In the Admin console, go to Menu Apps Google Workspace Gmail Compliance.
