This is resolved in Raiser's Edge 7.96 patch 3, applied to databases in Blackbaud Hosting Services in March 2017 and planned for download availability in April 2017. For further updates on releases as they become available, please see our Community Release page. 

OR

1. Email AddressFinder@blackbaud.com before you submit your records. Provide your Site ID, Organization name and the information that you would like to be displayed in the From field on the 2: Opt Out Tab.
2. Submit your records, refer to How to create and submit an EmailFinder export and the request will be applied to your submission once it is received.