diff --git a/python/python-pypolicyd-spf/doinst.sh b/python/python-pypolicyd-spf/doinst.sh
new file mode 100644
index 0000000000..f5328ded2a
--- /dev/null
+++ b/python/python-pypolicyd-spf/doinst.sh
@@ -0,0 +1,15 @@
+config() {
+  NEW="$1"
+  OLD="$(dirname $NEW)/$(basename $NEW .new)"
+  # If there's no config file by that name, mv it over:
+  if [ ! -r $OLD ]; then
+    mv $NEW $OLD
+  elif [ "$(cat $OLD | md5sum)" = "$(cat $NEW | md5sum)" ]; then
+    # toss the redundant copy
+    rm $NEW
+  fi
+  # Otherwise, we leave the .new copy for the admin to consider...
+}
+
+config etc/python-policyd-spf/policyd-spf.conf.new
+
diff --git a/python/python-pypolicyd-spf/python-pypolicyd-spf.SlackBuild b/python/python-pypolicyd-spf/python-pypolicyd-spf.SlackBuild
index ebf7c517bd..9ca9404c29 100644
--- a/python/python-pypolicyd-spf/python-pypolicyd-spf.SlackBuild
+++ b/python/python-pypolicyd-spf/python-pypolicyd-spf.SlackBuild
@@ -24,7 +24,7 @@
 
 PRGNAM=python-pypolicyd-spf
 VERSION=${VERSION:-0.8.0}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 ORIGNAM=$(echo $PRGNAM | cut -f2- -d-)
@@ -79,21 +79,23 @@ find . \
 find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
 
+mv $PKG/etc/python-policyd-spf/policyd-spf.conf \
+   $PKG/etc/python-policyd-spf/policyd-spf.conf.new
+
 # Move man-pages to correct location
 mv $PKG/usr/share/man $PKG/usr/
 rm -rf $PKG/usr/share
 find $PKG/usr/man -type f -exec gzip -9 {} \;
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
-
 cp -a \
   CHANGES LICENSE README README.per_user_whitelisting TODO  \
     $PKG/usr/doc/$PRGNAM-$VERSION
-
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
 mkdir -p $PKG/install
 cat $CWD/slack-desc > $PKG/install/slack-desc
+cat $CWD/doinst.sh  > $PKG/install/doinst.sh
 
 cd $PKG
 /sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}