Tool

Command Builder

Interactively check flags, fill in values, and assemble a ready-to-run command for popular security tools.

smtp-user-enum

Enumerate valid SMTP users via VRFY, EXPN, or RCPT TO commands

smtpenumerationemailusers

smtp-user-enum

Required

Host*

Options

-MMode— Enumeration mode: VRFY, EXPN, or RCPT

-uUsername— Single username to test

-UUsername wordlist— File containing usernames to test

-tTarget— Target host (overrides required input)

-pPort— SMTP port (default 25)

-DDomain— Domain suffix for RCPT TO mode

-vVerbose— Show all responses

-wWait timeout— Seconds to wait for banner