In Python 3.11 marked for deletion
import asyncore import smtpd
used in:
wallace /__init__.py
https://docs.python.org/3.11/library/asyncore.html
https://docs.python.org/3.11/library/smtpd.html
they recommend to use:
https://docs.python.org/3.11/library/asyncio.html
https://aiosmtpd.aio-libs.org/en/latest/