First, log in to your Academic Email through MyPark or

1.  Click the Gear Icon in the upper-right of the screen:

2.  On the menu that appears, click See All Settings:

3.  On the Menu Bar that appears, click the Filters And Blocked Addresses tab at the top:

4.  Here, you can see any Filters you currently have setup.  You can create new Filters by clicking the Create A New Filter link, or Edit or Delete a current one by using the Edit or Delete links on the right of Filter that's currently there (if you have one already).