Media settings
Packages root is the path where CSM downloads all 3rd party applications. It can be local folder or a UNC path and it can differ from the content location path in MECM
Email settings
Server and Port specifies the SMTP server CSM uses to send email notifications
Default from address is the address CSM uses to send email notifications
Credentials can be used if the SMTP server requires authentication to send emails
Test can be used to test functionality of the SMTP settings