Vacation message: A mail utility that automatically sends a standard reply message to an email message.
Virtual DNS: This WEBppliance option allows you to specify a secondary DNS server on WEBppliance.
Virtual site: An emulated site that includes a DNS domain with Web, FTP, and email capabilities. Each virtual site contains its own list of site user accounts. Each user account has its own set of Web and email services that can be managed by the virtual user.