One of the privileges of previously being an Exchange admin was being able to send the "Do not reply all" message and then setting up a rule on the server to ki

One of the privileges of previously being an Exchange admin was being able to send the "Do not reply all" message and then setting up a rule on the server to kill all further messages. But it's also why I had a script to lock down any distribution list with more than 100 members to authorized senders only.