text: import socket
  
  ip = '0.0.0.0'
  port = 25
  
  server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  
  try:
    server.bind((ip, port))
    server.listen(5)
    print 'Listening in: ' + ip + ':' + str(port)
    (client, address) = server.accept()
    print 'Received from: ' + address[0]
    data = client.recv(1024)
    server.close()
  
  except Exception as erro:
   print '[!] Error: ' + str(erro)
   server.close()
  
  