On this FortiMail, which two envelope addresses are considered incoming? (Choose two.)

Based on these log entries, which two statements describe the operational status of this FortiMail device? (Choose two.)
Which FortiMail antispam technique can the administrator enable to prevent this scenario?
Which FortiMail feature specific to server mode can be used to accomplish this?
If senders are not authenticated, which two envelope addresses will require an access receive rule? (Choose two.)