You can establish a default sender for any emails that are distributed using the distribution service. This can be used if you want to send emails using a generic account. For example, if you want to send general information to a group of people, you may want to set up an Information email account.
Note:
The sender that displays is either the authenticated user or the sender of the request. If those are not available, then the default sender value is used.
To configure a default sender: