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#!/usr/bin/env python

#Automates Username Discovery using a test file with usernames as input

import socket

import sys

smtpAddresses=["10.11.1.115"]

finalList=[]

if len(sys.argv) != 2:

print "Usage: vrfy.py <file.txt>"

sys.exit(0)

def smtp(address,username):

# Create a Socket

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# Connect to the Server

connect = s.connect((address,25))

# Receive the banner

banner = s.recv(1024)

print banner

# VRFY a user

print(username)

s.send('VRFY ' + username + '\r\n')

result = s.recv(1024)

# Close the socket

s.close()

def usernames(file):

usernames = open(file,"r")

for username in usernames:

finalList.append(username)

usernames(sys.argv[1])

print(finalList)

for address in smtpAddresses:

for username in finalList:

smtp(address,username)