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/3ca3f05b705ac87dba48cdb0fbc8de8608778488df6909ce1c87b6d6b650a769-primary.sqlite.bz2
Sendmail milter development libraries and headers
Include development libraries and headers for the milter add-ons as part of sendmail.