All email notifications come from the Hub. Email notifications can be setup at request or at the point of integration via the 'Environment Request Form'.
Success messages are sent every time a service you are setup to receive success notifications for successfully transmits a file.
Failure messages are sent every time a service you are setup to receive failure notifications for fails to transmit a file.
In the Live environment, the emails will come from hub@supplystream.com.
Example success email