LPI
202-450 · Question #278
202-450 Question #278: Real Exam Question with Answer & Explanation
Sign in or unlock 202-450 to reveal the answer and full explanation for question #278. The question stem and answer options stay visible for context.
Question
Why should the Postfix parameter disable_vrfy_command be set to yes on a publicly accessible mail server?
Options
- AIt prevents e-mail delivery attempts to a non-existent user.
- BIt prevents some techniques of gathering existing e-mail addresses.
- CIt enables verification attempts on the sender e-mail address.
- DIt speeds up forwarding of relayed e-mail.
Unlock 202-450 to see the answer
You've previewed enough free 202-450 questions. Unlock 202-450 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.