policies.add(new SPFPolicyPostFilterChecker(new NoSPFRecordFoundPolicy()));
// trustedForwarder support is enabled
if (useTrustedForwarder) {
policies.add(new SPFPolicyPostFilterChecker(new TrustedForwarderPolicy(log)));
}
policies.add(new SPFPolicyPostFilterChecker(new NeutralIfNotMatchPolicy()));
policies.add(new SPFPolicyPostFilterChecker(new DefaultExplanationPolicy(log, defaultExplanation, macroExpand)));