Developer's DescriptionBy IvaSoftInsert the actual SMTP envelope recipients to the mail header.XRecipientList for MS Exchange 2000/2003 is server-centric, so you do not need to install any extra software on the client side. The application can be installed on any Exchange server computer or on the border server machine that communicates with external e-mail servers. If you run a single Exchange server, it is a border server by default.