How to disable Outlook auto-replies from sending to the list:

In Microsoft Outlook:

1. Click on File > Automatic Replies (Out of Office).
2. Select the "Rules" button from the bottom left of the new window.
3. Click "Add Rule."
4. In the "From" box type *@lists.illinois.edu
5. Click "Advanced."
6. Check "Only items that do not match these conditions."
7. Click "OK."
8. Select an action, use the 'alert with' and choose a sound if you don't want to execute any significant action (other than sending the OOO reply).
9. Click "OK."
10. Click "OK."
11. Create your automatic reply, and enable the "send auto replies."
12. Click "OK."