On the FastFax Processor you will need to click on the FFXREGISTRY icon (FastFax Tools with version 4.6.0 and higher). Click on EDIT. Scroll down to OutboundEmailMessage1 (you will also have a 2 & 3). This is the text which appears on all Outbound Emails. Once the changes are made you will need to click on the ENDFFX icon. Once it has ended, you can click on the STRFFX icon.