> I can look at the mail filters and see that there were 400 PDFs with variations of "Delivery Notification" or "Invoice 1234567" blocked in the last half hour

> I can look at the mail filters and see that there were 400 PDFs with variations of "Delivery Notification" or "Invoice 1234567" blocked in the last half hour to a ton of different addresses, Jane Smith in Billing or Accounts Payable may only see one or two Wouldn't Jane Smith from Accounts Payable anyway open a PDF invoice email, regardless of the address?