Domain Names Matching

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import re
addr_s = open('unregistered.txt', 'r')
addr_m = open('mails_to_send.txt', 'r')
addr_c = open('cleared.txt', 'w')

def match_domain(domain):
 match = re.search(r'([\w.-]+)@([\w.-]+)', domain )
 domain_name = str(match.group(2))
 return domain_name

domains_all = []
domains_bad = []

for line in addr_s:
    try :
        line = line.replace("\n","")
        print match_domain(line)
        domains_bad.append(match_domain(line))
    except :
        print "Wrong Domain Name : " + line

print "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@"

for line in addr_m:
    try :
        line = line.replace("\n","")
        print match_domain(line)
        domains_all.append(match_domain(line))
    except :
        print "Wrong Domain Name : " + line
match_counter = 0
for domain in domains_all:
    if domain in domains_bad:
        print "Match : " + domain
        match_counter +=1
    else :
        print "Unique Domain : " + domain
        addr_c.write("info@" + domain + "\n")

print "###############################"
print "Bad Domains : " + str(len(domains_bad))
print "Good Domains : " + str(len(domains_all))
print "Matching Domains : " + str(match_counter)