LPI
117-202 · Question #278
117-202 Question #278: Real Exam Question with Answer & Explanation
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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.
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