NSE 6 – FortiMail 5.3/5.4 — Question 29

Which of the following statements regarding SMTPS and SMTP over TLS are true? (Choose three.)

Answer options

• A. In an SMTPS session, the identities of both sender and receiver are encrypted
• B. SMTPS connections are initiated on port 465
• C. SMTP over TLS connections are entirely encrypted and initiated on port 465
• D. The STARTTLS command is used to initiate SMTP over TLS
• E. SMTPS encrypts the body of the email message, where the most sensitive content exists

Correct answer: A, D

Explanation

Option A is correct because SMTPS does encrypt both the sender's and receiver's identities. Option D is also correct, as the STARTTLS command is indeed used to start an SMTP over TLS session. Options B, C, and E are incorrect because while SMTPS typically uses port 465, SMTP over TLS often uses port 587, and not all SMTP over TLS connections are entirely encrypted from the start.