Refer to the exhibit, which shows an inbound recipient policy.

After creating the policy shown in the exhibit, an administrator discovers that clients can send unauthenticated emails using SMTP.
What must the administrator do to enforce authentication?
A FortiMail administrator is investigating a sudden increase in DSNs being delivered to their protected domain. After searching the logs, the administrator identifies that the DSNs were not generated because of any outbound email sent from their organization.
Which FortiMail antispam technique can the administrator use to prevent this scenario?
Refer to the exhibits, which display a topology diagram (Topology) and two FortiMail device configurations (FML1 Configuration and FML2 Configuration).



What is the expected outcome of SMTP sessions sourced from FML1 and destined for FML2?
In which two places can the maximum email size be overridden on FortiMail? (Choose two.)
Refer to the exhibit which displays a topology diagram.

Which two statements describe the built-in bridge functionality on a transparent mode FortiMail? (Choose two.)