Learn fuzzy hashes automatically

core/dovecot/Dockerfile

@@ -2,7 +2,7 @@ FROM alpine:3.8
 
 RUN apk add --no-cache \
      dovecot dovecot-pigeonhole-plugin dovecot-fts-lucene rspamd-client \
-     python3 py3-pip \
+     bash python3 py3-pip \
  && pip3 install --upgrade pip \
  && pip3 install jinja2 podop tenacity
 

core/dovecot/conf/bin/ham

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+tee >(rspamc -h antispam:11334 -P mailu learn_ham /dev/stdin) \
+    | rspamc -h antispam:11334 -P mailu -f 13 fuzzy_add /dev/stdin

core/dovecot/conf/bin/mailtrain

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-rspamc -h antispam:11334 -P mailu "learn_$1" /dev/stdin <&0

core/dovecot/conf/bin/spam

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+tee >(rspamc -h antispam:11334 -P mailu learn_spam /dev/stdin) \
+    >(rspamc -h antispam:11334 -P mailu -f 11 fuzzy_add /dev/stdin)

core/dovecot/conf/report-ham.sieve

@@ -8,4 +8,4 @@ if string "${mailbox}" "Trash" {
   stop;
 }
 
-execute :pipe "mailtrain" "ham";
+execute :pipe "ham";

core/dovecot/conf/report-spam.sieve

@@ -1,3 +1,3 @@
 require "vnd.dovecot.execute";
 
-execute :pipe "mailtrain" "spam";
+execute :pipe "spam";