The Sendmail Content Management API (Milter) is designed to allow third-party programs access to mail messages as they are being processed in order to filter meta-information and content. It includes the milter shared library.
acquired package info from repodata DB: repodata/97a8837b13d1803b9266184a3cf9dafc96fd7534775890089deafb0b3375ffe6-primary.sqlite.bz2
Sendmail milter development libraries and headers
Include development libraries and headers for the milter add-ons as part of sendmail.