Which of the following is not an email encryption security s

Which of the following is not an email encryption security standard?

A. IMAP

B. MOSS

C. PGP

D. PEM

Solution

Which of the following is not an email encryption security standard?

Answer) D. PEM

Explanation: PEM is the draft Internet Privacy-Enhanced Mail standard, designed, proposed, but not yet officially adopted, by the Internet Activities Board to provide secure electronic mail over the Internet.

PEM is Designed to work with RFC 822 e-mail formats, PEM includes encryption, authentication, and key management, and allows use of both public-key and secret-key cryptosystems. Multiple cryptographic tools are supported; for each mail message, the specific encryption algorithm, digital signature algorithm, hash function, and so on are specified in the header. PEM explicitly supports only a few cryptographic algorithms