iXhash is a plugin for mail-filter/spamassassin, providing spam checks against a checksum database. More details can be found at above URL.
It would be great to have an ebuild for Gentoo...
Steps to Reproduce:
Someone from the perl team might be interested in this.
Created attachment 189178 [details]
here you are ;) (tested, but please test)
I opened this long ago, but I'm not interested in it anymore.