38. Which of the following best describes why e-mail spoofing is easily executed? a. SMTP lacks an adequate authentication mechanism. b. Administrators often forget to configure an SMTP server to prevent inbound SMTP connections for domains it doesn't serve. c. Keyword filtering is technically obsolete. d. Blacklists are undependable.

The correct answer to the following question will be Option A (SMTP lacks an adequate authentication mechanism).

Explanation:

Email spoofing seems to be the manufacture of such a header throughout the expectation that the receiver would be duped into believing the email came from others that is more than just the anticipated source.

b.. i believe would be the right one sorry if im wrong.