The internal auditor is reviewing a new policy on electronic mail. Appropriate elements of such a policy would include all of the following EXCEPT:
a. Erasing all employee's electronic mail immediately upon employment termination.
b. Encrypting electronic mail messages when transmitted over phone lines.
c. Limiting the number of electronic mail packages adopted by the organization.
d. Directing that personnel do not send highly sensitive or confidential messages using electronic mail.
Answer: a.