smtp search user

smtpuser.py

#!/usr/bin/python

import socket
import sys

if  3 > len(sys.argv):
    print "%s <target> <wordlist>" %(sys.argv[0])
    sys.exit()

with open(sys.argv[2],'rb') as f:
    for i in f.readlines():
        sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
        sock.connect((sys.argv[1],25))
        sock.recv(1024)
        sock.sendall('VRFY '+i)
        r = sock.recv(1024)
        if "252" in r.split():
            print i
        sock.close()