Internal Directories can be populated through which of the following methods?

The correct choice highlights that Internal Directories can indeed be populated through Manual Import and Manual Creation. This involves directly adding users or importing user data into the directory from external sources. Manual Import allows administrators to upload a bulk list of users, while Manual Creation permits the addition of users one by one.

In the context of populating Internal Directories, this emphasis on the administrative methods reflects a straightforward approach to managing user data within an organization's email security framework. Ensuring that internal user information is accurately recorded and maintained is critical for effective communication and security management.

Regarding the other options, they relate to different functionalities within email processing or security management that don't directly involve populating an Internal Directory. Delivery Routes and Sending Outbound focus more on how emails are routed and sent, X-Journal pertains to the handling and archiving of messages, and Journaled Messages refers to tracking messages for compliance and legal purposes. Thus, these options do not align with the specific question about how Internal Directories can be populated.