Default Hostname is the hostname to be used in the reply address for email
messages (non-delivery receipts, virus alert notifications, etc.) sent from the
Barracuda Spam Firewall. The hostname is appended to the default
domain.
Default Domain is the domain name to be used in the reply address for
email messages (non-delivery receipts, virus alert notifications, etc.) sent
from the Barracuda Spam Firewall