Sendmail/Postfix Milters in Python by Jim Niemira and Stuart D. Gathman This web page is written by Stuart D. Gathman and originally sponsored by Business Management Systems, Inc. (see LICENSE for copying permissions for this documentation) Last updated Jul 11, 2015 See the FAQ | Download now | Support | Overview Sendmail introduced a new API beginning with version 8.10 - libmilter. Sendmail 8.12