#!/usr/bin/env python

import sys
import email

msg = email.message_from_file(sys.stdin)

to = msg['to']
fromwho = msg['from']
subject = msg['subject']

#make an emty variable for email body
body = ""

#if the message contains attaachments find the body attachment
#if not find the entire emial body
if msg.is_multipart():
    for payload in msg.get_payload():
# if payload.is_multipart(): …
    body = payload.get_payload()
else:
    body = msg.get_payload()