Hello Jerry,
On the field mapping page of the DTM job you will see a "Transform" column. Click on the (...) button across from the Hide From Address List field. Select "Static - assign a static value" from the dropdown menu. Type "True" in the Static text field. (no quotes). Click on the OK button to close the transform dialog box. Then continue configuring the DTM job.
If you have questions about the information provided above, please let me know. Looking forward to hearing from you soon.