]> git.madduck.net Git - etc/mailfilter.git/blobdiff - procmail/spamfilter

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

no need to scan bodies for test and ignore patterns
[etc/mailfilter.git] / procmail / spamfilter
index 1b0d0d1b83a5e339190e98d1a3d39d84a033887e..491f157939f95f423f179921b24fd06e7430c42e 100755 (executable)
@@ -23,29 +23,50 @@ PMDIR=${PMDIR:-$HOME/.etc/mailfilter/procmail}
 # Note: add E flag to next recipe when uncommenting
 #:0
 #* SPAMTRAPPED ?? .
-#{ 
+#{
 #  LOG="spamfilter:  skipping checks for spamtrapped message$NL"
 #  :0 fw
 #  |$FORMAIL -I"X-Spam: spamtrapped"
 #}
 
-# check whether this message is being reinjected
-TRAINED_AS
+# check whether this message is being resubmitted
 :0
 *$ $MSG_DEJAVU
-* ^X-Trained-As: \/(h|sp)am
 {
-  LOG="spamfilter:  skipping already trained $MATCH$NL"
   :0
-  * MATCH ?? spam
-  { IS_SPAM=already-trained }
+  * 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"
+    :0 fw
+    |$FORMAIL -I"X-Spam: unknown (resubmitted)"
+  }
+}
+
+# do not run spamfilters if the message destination is already set
+:0 E
+* DEST ?? .
+{
+  LOG="spamfilter:  message already routed to '$DEST'$NL"
+  :0 fw
+  |$FORMAIL -I"X-Spam: unknown (already routed)"
+  SPAM_UNKNOWN=already-destined
 }
 
 # let earlier parts of the mailfilter cause bypassing the checks
 :0 E
 * SKIP_SPAMCHECKS ?? .
-{ 
-  LOG="spamfilter:  skipping checks as requested: $SKIP_SPAMCHECKS$NL" 
+{
+  LOG="spamfilter:  skipping checks as requested: $SKIP_SPAMCHECKS$NL"
   :0 fw
   |$FORMAIL -I"X-Spam: unknown (skip requested)"
   SPAM_UNKNOWN=skip-requested
@@ -76,6 +97,9 @@ TRAINED_AS
 # now run the spamfilters
 :0 E
 {
+  INCLUDERC=$PMDIR/spamtraps
+  INCLUDERC=$PMDIR/spammers
+  INCLUDERC=$PMDIR/spampat
   INCLUDERC=$PMDIR/pre-spam-cleanup
 
   # crm114
@@ -84,6 +108,7 @@ TRAINED_AS
   :0
   * !SKIP_CRM ?? .
   {
+    #TODO: somehow filter out headers we added
     :0 fw
     |$CRM114
 
@@ -240,7 +265,7 @@ TRAINED_AS
   :0 E
   * CRM_SPAM ?? SPAM
   * SA_SPAM ?? Yes
-  { 
+  {
     IS_SPAM=sa+crm
     :0 fw
     |$FORMAIL -I"X-Spam: yes (crm114:$CRM_SCORE SA:$SA_SCORE)"
@@ -255,13 +280,13 @@ TRAINED_AS
 * SPAMTRAPPED ?? .
 * ! SKIP_SPAMCHECKS ?? .
 * ! IS_SPAM ?? .
-{ 
+{
   LOG="spamfilter:  found spamtrapped ham, retraining...$NL"
   :0 fw
   |$FORMAIL -I"X-Spam: spamtrapped ham"
   IS_SPAM=spamtrapped-ham
   RETRAIN=spam
+  SPAM_UNSURE
 }
 
-INCLUDERC=$PMDIR/handlespam
 #VERBOSE=no