from datetime import datetime import asyncore from smtpd import SMTPServer class EmlServer(SMTPServer): no = 0 def process_message(self, peer, mailfrom, rcpttos, data): filename = '%s-%d.eml' % (datetime.now().strftime('%Y%m%d%H%M%S'), self.no) f = open(filename, 'w') f.write(data) f.close print 'Email received at %s and saved as %s' % (datetime.now().strftime('%H:%M:%S'), filename) self.no += 1 def run(): print 'Python SMTP server' print 'Quit the server with CONTROL-C.' foo = EmlServer(('localhost', 25), None) try: asyncore.loop() except KeyboardInterrupt: pass if __name__ == '__main__': run()