Parsing Problems with Python 3.9

[chtugha]

Hi, i get following errors trying to run your script with windows

Microsoft Windows [Version 6.3.9600]
(c) 2013 Microsoft Corporation. All rights reserved.

C:\Program Files\mailproxy-master>python mailproxy.py
('127.0.0.1', 49304) SMTP session exception
Traceback (most recent call last):
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python39\lib\site-p
ackages\aiosmtpd\smtp.py", line 647, in _handle_client
await method(arg)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python39\lib\site-p
ackages\aiosmtpd\smtp.py", line 1358, in smtp_DATA
status = await self._call_handler_hook('DATA')
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python39\lib\site-p
ackages\aiosmtpd\smtp.py", line 415, in _call_handler_hook
status = await hook(self, self.session, self.envelope, *args)
File "C:\Program Files\mailproxy-master\mailproxy.py", line 26, in handle_DATA

refused = self._deliver(envelope)

File "C:\Program Files\mailproxy-master\mailproxy.py", line 45, in _deliver
s.connect(self._host, self._port)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python39\lib\smtpli
b.py", line 339, in connect
self.sock = self._get_socket(host, port, self.timeout)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python39\lib\smtpli
b.py", line 1041, in _get_socket
new_socket = self.context.wrap_socket(new_socket,
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python39\lib\ssl.py
", line 500, in wrap_socket
return self.sslsocket_class._create(
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python39\lib\ssl.py
", line 1031, in _create
self._sslobj = self._context._wrap_socket(
ValueError: server_hostname cannot be an empty string or start with a leading do
t.

[ibv]

Hi,
for starttls at me this helped https://stackoverflow.com/questions/51768041/python3-smtp-valueerror-server-hostname-cannot-be-an-empty-string-or-start-with

s = smtplib.SMTP(self._host)

s.connect(self._host, self._port)

[dancysoft]

@chtugha I have a fork of this repository at https://github.com/dancysoft/mailproxy which has the fix suggested by @ibv.