Windows Server 2016 和 1709+ SMTP 服务器主机 SMTP 虚拟服务器

Microsoft.Windows.InternetInformationServices.10.0.LegacySMTPServer.Hosts.Microsoft.Windows.InternetInformationServices.10.0.LegacySMTPVirtualServer (RelationshipType)

Source	Microsoft.Windows.InternetInformationServices.10.0.LegacySMTPServer
Target	Microsoft.Windows.InternetInformationServices.10.0.LegacySMTPVirtualServer
Type	System.Hosting
Accessibility	Public
Abstract	False