Note that the security levels Opportunistic DANE TLS, Mandatory DANE TLS, and MTA-STS are available only for outbound delivery.
To ensure messages can be received from the Trend Micro Email Security MTA, configure your firewall to accept email messages from the following Trend Micro Email Security IP address / CIDR blocks:
North America, Latin America and Asia Pacific:
Europe, the Middle East and Africa:
Australia and New Zealand:
This option is available when you select Mandatory DANE TLS, Opportunistic DANE TLS, or MTA-STS.
The reports share success or failure statistics about TLS connections with DANE or MTA-STS support to the specified TLS peer.
For inbound protection, type an email address local part for TLS test.
For outbound protection, type a domain name for DANE test or MTA-STS test if you set Security level to Opportunistic DANE TLS / Mandatory DANE TLS or MTA-STS.