{% import_yaml "postfix/defaults.yaml" as defaults %}
{% import_yaml "postfix/osmap.yaml" as osmap %}
{% set postfix = salt['grains.filter_by'](
defaults,
merge=salt['grains.filter_by'](
osmap,
grain='os',
merge=salt['pillar.get']('postfix:lookup', {}),
),
base='postfix')
%}