Scam-grey is a milter that filters email
originating from MS Windows hosts. It provides you
the ability to mitigate the flow of unwanted email
from such hosts using greylisting.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.