cfengine/masterfiles — pull request #334 by nickanderson (2014-10-08 15:18:51+00:00)
Title: Change: Fix default mailfrom

Cherry pick from master

Ref: https://dev.cfengine.com/issues/6567

$(sys.host) is ambiguous and the old usage may produce a mailfrom of
root@foo.example.org.example.org for host "foo" in domain "example.org".