alex-pirogov

im also facing this issue my idea is to keep SMTP client instance in memory because i dont want to spend time connecting & doing login to a server each...

i did some digging and found out that [this](https://github.com/cole/aiosmtplib/blob/ddd9e844e4f5d095d407b76c0f835708e71cb0ce/aiosmtplib/smtp.py#L418) is the place where program hangs so we need to explicitly release `_connect_lock` in order to be able to reconnect again...

having this issue with python's pyproject.toml