1. In Eudora 3.0 Pro the filters utility is under the Tools menu

Choose it.

2. You'll see a screen that looks a lot like below.  The New button in the bottom left is where you start (click), and the term "Untitled" will pop into the big blank space at the left.

3. (a) Check the "incoming" checkbox, (b) choose Any Header from the header list, (c) choose "contains" from the next drop-down list (the pic above shows this), and (d) type LABSAFETY-L@SIU.EDU into the blank field to the right of "contains."  The top half of the diolog box will look like this we hope:

4. Click on the scroll arrow of the top field in the "Action" area and a tall menu of choices will appear, from which you want to choose Transfer To.  After you've done this a button will appear beside the Transfer To field.  Click on it and create a new mailbox.  I call mine LABSAFE IN.

5. Save (under File menu) and close.