A customer wants to install a FortiSandbox device to identify suspicious files received by an e-mail server. All the incoming e-mail traffic to the e-mail server uses the SMTPS protocol.

Which three solutions would be implemented? (Choose three.) http://kb.fortinet.com/kb/documentLink.do?externalID=FD34371

A.
FortiGate device in transparent mode sending the suspicious files to the FortiSandbox

B.
FortiSandbox in sniffer input mode

C.
FortiMail device in gateway mode using the built-in MTA and sending the suspicious files to the
FortiSandbox

D.
FortiMail device in transparent mode acting as an SMTP proxy sending the suspicious files to the
FortiSandbox

E.
FortiGate device in NAT mode sending the suspicious files to the FortiSandbox