Refer to the exhibit showing the history logs from a FortiMail device. Which FortiMail email security feature can an administrator enable to treat these emails ...

Refer to the exhibit showing the history logs from a FortiMail device.
Which FortiMail email security feature can an administrator enable to treat these emails as spam?

A. DKIM validation in a session profile B. Sender domain validation in a session profile C. Impersonation analysis in an antispam profile D. Soft fail SPF validation in an antispam profile