Your network includes one Exchange Server 2003 server named Server2.
Server2 sends and receives all e-rnail from the Internet.
You deploy a new Web-based application on a server named Server1. The application sends e-mail notifications to customers.
You configure the application to forward all e-mail notifications to Server2 for delivery on the Internet.
You need to ensure that Server2 can send e-mail notifications to customers on the Internet.
The solution must not affect the delivery of other e-mail messages.
What should you do?

A.
Configure the default SMTP virtual server on Server2 to grant access to Server1.

B.
Configure the default SMTP virtual server on Server2 to relay all e-mail messages from Server1.

C.
Configure the default SMTP virtual server on Server2 to require authentication. Allow the application pool account to send e-mail to Server2.

D.
Create a new SMTP virtual server that uses port number 2525 on Server2. Configure the application to send e-mail notifications on port 2525 to Server2.