1. Login to Yahoo Mail.
2. Click on "Mail Options" (on the right hand side of your screen).
3. Click on "Filters" (on left hand side of screen).
4. Click "Add" button.
5. Assign a name for this filter: "GCPL Notices".
6. Below the heading "if all of the following rules are true..." go to the top row labeled "FROM header." Next to this you will see a drop down menu. Make sure to select "contains", then simply type in our email address into the box provided.
7. At the bottom, where it says "Move the message to:", select "Inbox" from the drop-down menu.
8. Click the "Add Filter" button at the bottom to add this filter.

For additional details, see the Using Filters to Sort Incoming Email help document from Yahoo!.