Merge branch 'master' into fix-swarm-start

core/dovecot/Dockerfile

@@ -3,12 +3,13 @@ FROM alpine:3.7
 RUN echo "@testing http://nl.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories \
  && apk add --no-cache \
      dovecot dovecot-sqlite dovecot-pigeonhole-plugin dovecot-pigeonhole-plugin-extdata \
-     rspamd-client@testing python py-jinja2
+     dovecot-fts-lucene rspamd-client@testing python py-jinja2
 
 COPY conf /conf
 COPY sieve /var/lib/dovecot
 COPY start.py /start.py
 
 EXPOSE 110/tcp 143/tcp 993/tcp 4190/tcp 2525/tcp
+VOLUME ["/data", "/mail"]
 
 CMD /start.py

core/dovecot/conf/dovecot.conf

@@ -18,6 +18,20 @@ dict {
   sieve = sqlite:/etc/dovecot/pigeonhole-sieve.dict
 }
 
+###############
+# Full-text search
+###############
+mail_plugins =  $mail_plugins fts fts_lucene
+
+plugin {
+  fts = lucene
+
+  fts_autoindex = yes
+  fts_autoindex_exclude = \Junk
+
+  fts_lucene = whitespace_chars=@.
+}
+
 ###############
 # Mailboxes
 ###############
@@ -32,7 +46,7 @@ mail_access_groups = mail
 maildir_stat_dirs = yes
 mailbox_list_index = yes
 mail_vsize_bg_after_count = 100
-mail_plugins = $mail_plugins quota quota_clone
+mail_plugins = $mail_plugins quota quota_clone zlib
 
 namespace inbox {
   inbox = yes
@@ -58,6 +72,14 @@ plugin {
   quota = count:User quota
   quota_vsizes = yes
   quota_clone_dict = redis:host={{ REDIS_ADDRESS }}:port=6379:db=1
+
+  {% if COMPRESSION in [ 'gz', 'bz2' ] %}
+  zlib_save = {{ COMPRESSION }}
+  {% endif %}
+
+  {% if COMPRESSION_LEVEL %}
+  zlib_save_level = {{ COMPRESSION_LEVEL }}
+  {% endif %}
 }
 
 ###############

core/dovecot/sieve/report-ham.sieve

@@ -1,3 +1,11 @@
-require "vnd.dovecot.execute";
+require ["vnd.dovecot.execute", "copy", "imapsieve", "environment", "variables"];
+
+if environment :matches "imap.mailbox" "*" {
+  set "mailbox" "${1}";
+}
+
+if string "${mailbox}" "Trash" {
+  stop;
+}
 
 execute :pipe "mailtrain" "ham";