You are composing an e-mail message. You add a digital signature to the e-mail. Now, you want to ensure that the e-mail message is received unaltered. You also want a notification to tell you who opened the e-mail and when it was opened.
Which of the following will you use to accomplish the task?
A. Request a read receipt.
B. Request a delivery receipt.
C. Request an S/MIME receipt.
D. Use RSS Feeds.
