Google Message Security for Google Apps Administration Guide - Manual (Page 216)

216 Message Security for Google Apps Administration Guide
7. Click Save.
Note: For information about how report data is interpreted based on your
configuration of filters, see the notes for Domain/Account and Filter Name reports
in “Content Manager Reports” on page 342.
Reorder Content Filters and Policies
Content Manager applies filters and policies in the order in which they are listed.
To reorder the filter list:
1. Enter new order numbers for the filters and policies and click Update Priority
List, or click the Up or Down arrow for a filter.
2. Click Save Priority List.