Hi, please help, I'm trying to create a rule to Exchange Edge server to filter certain types of attachments and get the error (New-TransportRule : A parameter was specified that isn't valid on an Edge Transport server). I want to create a rule blocking JS
and VBS attachments archived zip and rar.
New-TransportRule "Block js" -AttachmentExtensionMatchesWords js -RejectMessageEnhancedStatusCode 5.7.1 -RejectMessageReasonText "Block extension js" -enabled $true