Extract Sender ID from Email Headers

gistfile1.txt

import imaplib
import re

gmail = False
if gmail:
    mail = imaplib.IMAP4_SSL('imap.gmail.com')
    mail.login('user', 'password')
    mail.select('"[Gmail]/All Mail"')
else:
    mail = imaplib.IMAP4_SSL('outlook.office365.com')
    mail.login('user', 'password')
    mail.select('"Inbox"')

# see all available folders
folder=mail.list()
print (folder)

#Search for all UIDs first
result,data=mail.uid('search',None,'ALL')
uids=data[0].split()


the_list = []
count = 0
#Loop through each uid to fetch headers
for uid in uids:
    result,data=mail.uid('fetch',uid,'(RFC822.HEADER)')
    # filter out just the 'sender IP is X.X.X.X;
    full_header = data[0][1].decode("utf-8") 
    print(full_header)
    just_sender = re.findall("sender IP.*?;", full_header)
    the_list.append(just_sender)
    count = count + 1
    # if count == 3:
    #     break

# write the_list to output.txt
with open("output.txt", 'w') as file_handler: 
    for item in the_list: 
        file_handler.write("{}\n".format(item))