class FakeSMTPServer(smtpd.SMTPServer):
    """A Fake smtp server"""

def __init__(*args, **kwargs):
    print('Running fake smtp server on port 25')
smtpd.SMTPServer.__init__(*args, **kwargs)

def process_message(*args, **kwargs):
    pass
if __name__ == '__main__':
    smtp_server = FakeSMTPServer(('localhost', 25), None)
try:
    asyncore.loop()
except KeyboardInterrupt:
    smtp_server.close()
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