You are designing an ASP NET Web Forms application
The application supports thousands ofconcurrent users.
A Web form in the application enables users to sendpersonalized e-mail messages to thousands of recipients.
You need to design the application to optimize performance.
Which approach should you recommend?

A.
Use a separate process from the OnClick method ofthe form.

B.
Use a BackgroundWorker class from the OnClick method of the form

C.
Use the classes in the System.Web.Mail namespace from the OnClick method of the form
D. Use the classes in the System.Net.MaiI namespace from the OnClick method of the form