How would you deploy TE250X Check Point appliance just for email traffic and in-line mode without a Check Point Security Gateway?
选项：

A: Install appliance TE250X on SpanPort on LAN switch in MTA mode.
B: Install appliance TE250X in standalone mode and setup MT
A:
C: You can utilize only Check Point Cloud Services for this scenario.
D: It is not possible, always Check Point SGW is needed to forward emails to SandBlast appliance.