Rework spf module.

- Copy data to memory pool as cached record might be destroyed causing
  freed memory being passed to the protocol output (use after free).
- Allow SPF_NEUTRAL policy to be handled separately.
- Add R_SPF_NEUTRAL to the default config.

1 files changed, 5 insertions, 0 deletions

diff --git a/conf/metrics.conf b/conf/metrics.conf
index 283e4a735..5147cf00a 100644
--- a/conf/metrics.conf
+++ b/conf/metrics.conf
@@ -537,6 +537,11 @@ metric {
         name = "R_SPF_SOFTFAIL";
     }
     symbol {
+        weight = 0.0;
+        description = "SPF policy is neutral";
+        name = "R_SPF_NEUTRAL";
+    }
+    symbol {
         weight = -1.1;
         description = "SPF verification alowed";
         name = "R_SPF_ALLOW";