Sets or returns an OlPermissionService constant that determines the permission service that will be used when sending an IRM protected message. Note that this property is useful only if you have more than one permission identity for a particular SMTP address. Read/write.
expression.PermissionService
expression Required. An expression that returns a MailItem object.
This Microsoft Visual Basic for Applications (VBA) example demonstrates how to specify the permission service before sending an item. Replace 'Dan Wilson' with a valid recipient name before running this example.
Sub SendMyMail()
Set myItem = Outlook.CreateItem(olMailItem)
myItem.To = "Dan Wilson"
myItem.Subject = "Data files information"
myItem.PermissionService = olWindows
myItem.Send
End Sub