EC-Council
312-50V12 · Question #297
What useful information is gathered during a successful Simple Mail Transfer Protocol (SMTP) enumeration?
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Submitted by alyssa_d· Mar 4, 2026Reconnaissance Techniques
Question
What useful information is gathered during a successful Simple Mail Transfer Protocol (SMTP) enumeration?
Options
- AA list of all mail proxy server addresses used by the targeted host.
- BThe internal command RCPT provides a list of ports open to message traffic.
- CThe two internal commands VRFY and EXPN provide a confirmation of valid users, email
- DReveals the daily outgoing message limits before mailboxes are locked.
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Topics
#SMTP enumeration#VRFY#EXPN#reconnaissance#user enumeration