What should you do?

You have an Exchange Server 2016 organization. The organization contains an Edge transport server.
Users report that a message with the following anti-spam headers is delivered to their Inbox folder in Microsoft Outlook.
X-MS-Exchange- Organization- PCL : 7
X-MS-Exchange- Organization- SCL: 6
X-MS-Exchange- Organization -Antispam-Report: DV : 3.1.3924.1409; SID : SenderlDStatus Fail; PCL: PhishingLevel
SUSPICIOUS;
CW: CustomList; PP: Presolved; TIME:TimeBasedFeatures
You need to prevent similar messages from being delivered. The solution must generate a non-delivery report (NDR) when the messages are prevented from being delivered to all user mailboxes.
What should you do?
A. Set the SCL reject threshold to 7.
B. Run the Set-SenderldConfig cmdlet.
C. Set the SCL delete threshold to 7.
D. Run the Set-TransportConfig cmdlet.
E. Run the Set-RecipientFilterConfig cmdlet
F. Set the SCL delete threshold to 5.