You are troubleshooting a FortiMail Cloud service integrated with Office 365 where outgoing emails are not reaching the recipients’ mail. What are two possible ...

You are troubleshooting a FortiMail Cloud service integrated with Office 365 where outgoing emails are not reaching the recipients’ mail.
What are two possible reasons for this problem? (Choose two.)

A. The FortiMail access control rule to relay from Office 365 servers FQDN is missing B. The FortiMail DKIM key was not set using the Auto Generation option C. The FortiMail access control rules to relay from Office 365 servers public IPs are missing. D. A Mail Flow connector from the Exchange Admin Center has not been set properly to the FortiMail Cloud FQDN