Which setting affects the aggressiveness of spam detection?

Refer to the exhibit. How should this configuration be modified to stop delivering Zero Day malware attacks?

A company has deployed a new mandate that requires all emails sent externally from the Sales Department to be scanned by DLP for PCI-DSS compliance. A new DLP policy has been created on the Cisco ESA and needs to be assigned to a mail policy named 'Sales' that has yet to be created.
Which mail policy should be created to accomplish this task?

An organization wants to use its existing Cisco ESA to host a new domain and enforce a separate corporate policy for that domain.
What should be done on the Cisco ESA to achieve this?

Which type of attack is prevented by configuring file reputation filtering and file analysis features?