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@ltpitt
Created June 19, 2023 07:51
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Fake SMTP server in Python that saves received email in TMP folder and opens them right away
import argparse
import asyncore
import logging
import os
import platform
import smtpd
import subprocess
import tempfile
from datetime import datetime
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
parser = argparse.ArgumentParser()
parser.add_argument('--open', action='store_true', help='Automatically open email with default email program')
args = parser.parse_args()
args.open = True
class FakeSMTPServer(smtpd.SMTPServer):
def __init__(self, localaddr, remoteaddr):
super().__init__(localaddr, remoteaddr)
logging.info(f'Starting fake SMTP server on {localaddr[0]}:{localaddr[1]}')
def process_message(self, peer, mailfrom, rcpttos, data, mail_options=None, rcpt_options=None):
temp_dir = tempfile.gettempdir()
date_time = datetime.now().strftime('%Y%m%d%H%M%S')
file_name = os.path.join(temp_dir, f'email_{date_time}.msg')
with open(file_name, 'wb') as f:
f.write(data)
logging.info(f'Saved email from {mailfrom} to {rcpttos} to: {file_name}')
if args.open:
if platform.system() == 'Linux':
subprocess.call(['xdg-open', file_name])
elif platform.system() == 'Darwin':
subprocess.call(['open', file_name])
elif platform.system() == 'Windows':
subprocess.call(['start', file_name], shell=True)
server = FakeSMTPServer(('127.0.0.1', 1025), None)
asyncore.loop()
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