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

spampost
1.0.5

This version was deleted from PyPI around 2024-09-13. Installing fails with:
$ pip3 install spampost==1.0.5 ERROR: Could not find a version that satisfies the requirement spampost==1.0.5
View other deleted versions of spampost

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/2024-09-12/ \ spampost==1.0.5
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Or, download files manually

And install manually via pip:
spampost-1.0.5-py3-none-any.whl (2.8KB)
spampost-1.0.5.tar.gz (2.6KB)