36ccb1df_Set_SenderIdConfig__Description
[Parameter] SpoofedDomainAction [Required] Optional [Type] Microsoft.Exchange.Data.Directory.SystemConfiguration.SenderIdAction [Description] 
This parameter specifies the action that the Sender ID agent takes on the message when the sender domain shows evidence of being spoofed. The SpoofedDomainAction parameter takes the following values: StampStatus, Reject, Delete. The default value is StampStatus.
Set-SenderIdConfig
Description