Your Cyber Security Team Has Requested That All Email Destined

Your cyber security team has requested that all email destined for external domains be scanned for credit card numbers, and if found, the email must be encrypted using your cloud-based third-party encryption provider. You are responsible for configuring to meet this request. What should you do?

A) Create a content compliance rule on outbound mail and internal-sending mail using the predefined rule for credit card numbers, and add a custom header that your third-party encryption provider can scan for and encrypt.
B) Create a content compliance rule on outbound mail using the predefined rule for credit card numbers, and check "Encrypt message if not encrypted".
C) Create a content compliance rule on outbound mail using the predefined rule for credit card numbers, and add a custom header that your third-party encryption provider can scan for and encrypt.
D) Create a content compliance rule on outbound mail using the predefined rule for credit card numbers, and check "Change route" to send to your third-party encryption provider to encrypt.