add X-Spam explanations for more skips

diff --git a/procmail/spamfilter b/procmail/spamfilter
index 80d59cf6b62d564bff6bae7ef9b6a7f5c304112b..b0d279370be02e07507a0216b2e555a3bd005314 100755 (executable)
--- a/procmail/spamfilter
+++ b/procmail/spamfilter
@@ -37,13 +37,19 @@ PMDIR=${PMDIR:-$HOME/.etc/mailfilter/procmail}
   * TRAINED_AS ?? .
   {
     LOG="spamfilter:  skipping already trained $TRAINED_AS$NL"
+    :0 fw
+    |$FORMAIL -I"X-Spam: $TRAINED_AS (already trained)"
     :0
     * TRAINED_AS ?? spam
     { IS_SPAM=already-trained }
   }
 
   :0 E
-  { LOG="spamfilter:  skipping resubmitted message$NL" }
+  {
+    LOG="spamfilter:  skipping resubmitted message$NL"
+    :0 fw
+    |$FORMAIL -I"X-Spam: unknown (resubmitted)"
+  }
 }
 
 # do not run spamfilters if the message destination is already set
@@ -51,6 +57,8 @@ PMDIR=${PMDIR:-$HOME/.etc/mailfilter/procmail}
 * DEST ?? .
 {
   LOG="spamfilter:  message already routed to '$DEST'$NL"
+  :0 fw
+  |$FORMAIL -I"X-Spam: unknown (already routed)"
   SPAM_UNKNOWN=already-destined
 }