Configuring Domain Security in Exchange Server 2013

[@iansmith3301]

What if the partner company uses an external spam filtering service on their MXrecord instead of the public IP address Exchange is on? Wouldn't you need a smarthost? Or could you redirect it with a different DNS server? A video about this would be very useful.

[@thbadmin7751]

Or if your organization is using an external spam filtering service.

[@thehappychap4252]

You still haven't called my mom