Python Script for Email Header Analysis

# Python Script for Analyzing Email Headers, which helps to identify spam and
    spoofed mails
# Save the script as emailanalysis.py
# Copy Mail header in a file and give it as this script's input

import re
def matchre(data,*args):
    for regstr in args:
        matchObj = re.search( regstr+'.*', data, re.M|re.I)
        if matchObj:
            print matchObj.group(0).lstrip().rstrip()
        else:
            print "No ",regstr,"found"
print
print("Email Header Analysis by Jeffin")
print
filename= raw_input("Enter path for email header file: ");
print
fo = open(filename, "r") #fo=filehandle
data=fo.read()

matchre(data,"From:")
print
matchre(data,"Subject:")
print
matchre(data,"Date:")
print
matchre(data,"To:")
print
#matchre(data,"delivered-to:")
#print

matchre(data,"X-Originating-IP:")
print
matchre(data,"Reply-To:")
print
matchre(data,"Return-path:")
print
matchre(data,"X-Spam-Flag:")
print
matchre(data,"MIME-version:")
print
matchre(data,"Message-ID:")
print

fo.close()

#Envelope-To: user@example.com
#Delivery-Date:
#X-Spam-Status: