You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

winmail
0.2.23.5

This version was deleted from PyPI around 2023-11-20. Installing fails with:
$ pip3 install winmail==0.2.23.5 ERROR: Could not find a version that satisfies the requirement winmail==0.2.23.5
View other deleted versions of winmail

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2023-11-19/ \ winmail==0.2.23.5
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
winmail-0.2.23.5-py3-none-any.whl (17.8KB)