In addition to the basic MSMQ files, you can install the Microsoft Message Queue Server SDK on MSMQ independent clients.
You can also install the MSMQ Explorer on MSMQ independent clients running under Windows NTŪ Workstation or Server. You can use the MSMQ Explorer to administer your MSMQ enterprise remotely from computers running Windows NT Workstation.
An internal certificate contains a public key written in the form of an X.509 certificate. It does not contain any additional sender information that can be used for authentication.