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

ka-uts-mail
4.0.0.250510

This version was deleted from PyPI around 2025-05-19. Installing fails with:
$ pip3 install ka-uts-mail==4.0.0.250510 ERROR: Could not find a version that satisfies the requirement ka-uts-mail==4.0.0.250510
View other deleted versions of ka-uts-mail

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/2025-05-18/ \ ka-uts-mail==4.0.0.250510
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Or, download files manually

And install manually via pip:
ka_uts_mail-4.0.0.250510-py3-none-any.whl (12.1KB)
ka_uts_mail-4.0.0.250510.tar.gz (40.5KB)