... business partners. Domain security enables message-level encryption and digital signatures, and ad hoc business-to-business and partner-to-partner message security.The Edge Transport Server uses ... Troubleshooter, and a Performance Troubleshooter can be found here. In addition, the Toolbox center is also the place to track messages using the Message Tracking Queue Viewer, and to track performance ... guration data and settings in the organization. This is where you fi nd features such as E-mail Address Policies (formerly Recipient Policies), Address Lists, Accepted Domains, and so forth)....