1. Open Fax Voip T.38 Modem Control Panel.
2. Click E-mail in TreeView, then click Mail to Fax (MS Fax), then click Customization.
3. To change the preference order for Mail to Fax rules use Move Up and Move Down commands. One of the rules should be selected.
4. To remove one or more rules, select the rules, then click Delete.
5. Click <Apply> button to save modified settings for rules. Do not forget to restart Fax Voip T.38 Modem to operate with new settings. To do this click <STOP> button, then click <START> button.