init spams to junk

Dockerfile

@@ -125,6 +125,7 @@ RUN echo "0 */6 * * * clamav /usr/bin/freshclam --quiet" > /etc/cron.d/clamav-fr
 # Configures Dovecot
 COPY target/dovecot/auth-passwdfile.inc target/dovecot/??-*.conf /etc/dovecot/conf.d/
 COPY target/dovecot/scripts/quota-warning.sh /usr/local/bin/quota-warning.sh
+COPY target/dovecot/sieve/* /usr/lib/dovecot/sieve-global/
 WORKDIR /usr/share/dovecot
 # hadolint ignore=SC2016,SC2086
 RUN sed -i -e 's/include_try \/usr\/share\/dovecot\/protocols\.d/include_try \/etc\/dovecot\/protocols\.d/g' /etc/dovecot/dovecot.conf && \

target/amavis/conf.d/49-docker-mailserver

@@ -3,7 +3,8 @@ use strict;
 # Override options set in earlier files, use 50-user to override these
 
 # Bounce spam, the default option for buster is D_PASS to deliver
-$final_spam_destiny = D_BOUNCE;
+$final_spam_destiny       = D_BOUNCE;
+$final_bad_header_destiny = D_BOUNCE;
 
 # Higher log level to get expected messages at startup
 $log_level = 2;

target/dovecot/90-sieve.conf

@@ -32,7 +32,7 @@ plugin {
   # file names, using a normal 8bit per-character comparison. Multiple script
   # file or directory paths can be specified by appending an increasing number.
   #sieve_before = /usr/lib/dovecot/sieve-global/before.dovecot.sieve
-  #sieve_before2 =
+  #sieve_before2 = /usr/lib/dovecot/sieve-global/before.spam.sieve
   #sieve_before3 = (etc...)
 
   # Identical to sieve_before, only the specified scripts are executed after the

target/dovecot/sieve/before.spam.sieve

@@ -0,0 +1,4 @@
+require "fileinto";
+if header :contains "X-Spam-Flag" "YES" {
+    fileinto "Junk";
+}

target/start-mailserver.sh

@@ -40,6 +40,7 @@ DEFAULT_VARS["REPORT_RECIPIENT"]="${REPORT_RECIPIENT:="0"}"
 DEFAULT_VARS["LOGROTATE_INTERVAL"]="${LOGROTATE_INTERVAL:=${REPORT_INTERVAL:-"daily"}}"
 DEFAULT_VARS["LOGWATCH_INTERVAL"]="${LOGWATCH_INTERVAL:="none"}"
 DEFAULT_VARS["SPAMASSASSIN_SPAM_TO_INBOX"]="${SPAMASSASSIN_SPAM_TO_INBOX:="0"}"
+DEFAULT_VARS["MOVE_SPAM_TO_JUNK"]="${MOVE_SPAM_TO_JUNK:="1"}"
 DEFAULT_VARS["VIRUSMAILS_DELETE_DELAY"]="${VIRUSMAILS_DELETE_DELAY:="7"}"
 
 ##########################################################################
@@ -627,6 +628,16 @@ function _setup_dovecot() {
 	else
 		sed -i "s/  sieve_after =/  #sieve_after =/" /etc/dovecot/conf.d/90-sieve.conf
 	fi
+
+  # sieve will move spams to .Junk folder when SPAMASSASSIN_SPAM_TO_INBOX=1 and MOVE_SPAM_TO_JUNK=1
+	if [ "$SPAMASSASSIN_SPAM_TO_INBOX" = 1 ] && [ "$MOVE_SPAM_TO_JUNK" = 1 ]; then
+	  notify 'inf' "Spam messages will be moved to the Junk folder."
+	  sed -i "s/#sieve_before2 =/sieve_before2 =/" /etc/dovecot/conf.d/90-sieve.conf
+	  sievec /usr/lib/dovecot/sieve-global/before.spam.sieve
+	else
+	  sed -i "s/  sieve_before2 =/  #sieve_before2 =/" /etc/dovecot/conf.d/90-sieve.conf
+	fi
+
 	chown docker:docker -R /usr/lib/dovecot/sieve*
 	chmod 550 -R /usr/lib/dovecot/sieve*
 	chmod -f +x /usr/lib/dovecot/sieve-pipe/*
@@ -1475,19 +1486,15 @@ function _setup_security_stack() {
 		test -e /tmp/docker-mailserver/spamassassin-rules.cf && cp /tmp/docker-mailserver/spamassassin-rules.cf /etc/spamassassin/
 
 
-		if [ "$SPAMASSASSIN_SPAM_TO_INBOX" = "1" ]; then
+		if [ "$SPAMASSASSIN_SPAM_TO_INBOX" = 1 ]; then
 				notify 'inf' "Configure Spamassassin/Amavis to put SPAM inbox"
-				bannedbouncecheck=`egrep "final_banned_destiny.*D_BOUNCE" /etc/amavis/conf.d/20-debian_defaults`
-				  if [ -n "$bannedbouncecheck" ] ;
-						  then
-									   sed -i "/final_banned_destiny/ s|D_BOUNCE|D_REJECT|" /etc/amavis/conf.d/20-debian_defaults
-							fi
 
-				finalbouncecheck=`egrep "final_spam_destiny.*D_BOUNCE" /etc/amavis/conf.d/20-debian_defaults`
-				  if [ -n "$finalbouncecheck" ] ;
-						  then
-									   sed -i "/final_spam_destiny/ s|D_BOUNCE|D_PASS|" /etc/amavis/conf.d/20-debian_defaults
-							fi
+				sed -i "s/\$final_spam_destiny.*=.*$/\$final_spam_destiny = D_PASS;/g" /etc/amavis/conf.d/49-docker-mailserver
+				sed -i "s/\$final_bad_header_destiny.*=.*$/\$final_bad_header_destiny = D_PASS;/g" /etc/amavis/conf.d/49-docker-mailserver
+		else
+		    notify 'warn' "Spam messages WILL NOT BE DELIVERED, you will NOT be notified of ANY message bounced.  See SPAMASSASSIN_SPAM_TO_INBOX options."
+		  	sed -i "s/\$final_spam_destiny.*=.*$/\$final_spam_destiny = D_BOUNCE;/g" /etc/amavis/conf.d/49-docker-mailserver
+				sed -i "s/\$final_bad_header_destiny.*=.*$/\$final_bad_header_destiny = D_BOUNCE;/g" /etc/amavis/conf.d/49-docker-mailserver
 		fi
 
 	fi

test/mail_spam_bounced.bats

@@ -0,0 +1,49 @@
+load 'test_helper/common'
+
+# Test case
+# ---------
+# When SPAMASSASSIN_SPAM_TO_INBOX=0, spam messages must be bounced.
+
+
+function setup() {
+    run_setup_file_if_necessary
+}
+
+function teardown() {
+    run_teardown_file_if_necessary
+}
+
+function setup_file() {
+    docker run -d --name mail_spam_bounced \
+		-v "`pwd`/test/config":/tmp/docker-mailserver \
+		-v "`pwd`/test/test-files":/tmp/docker-mailserver-test:ro \
+		-e ENABLE_SPAMASSASSIN=1 \
+		-e SPAMASSASSIN_SPAM_TO_INBOX=0 \
+		-h mail.my-domain.com -t "${NAME}"
+
+    wait_for_finished_setup_in_container mail_spam_bounced
+}
+
+function teardown_file() {
+    docker rm -f mail_spam_bounced
+}
+
+@test "first" {
+  skip 'this test must come first to reliably identify when to run setup_file'
+}
+
+@test "checking amavis: spam message is bounced" {
+  run sh -c "docker logs mail_spam_bounced | grep 'Spam messages WILL NOT BE DELIVERED'"
+  assert_success
+
+  # send a spam message
+  run docker exec mail_spam_bounced /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/amavis-spam.txt"
+  assert_success
+
+  run repeat_until_success_or_timeout 20 sh -c "docker logs mail_spam_bounced | grep 'Blocked SPAM {NoBounceInbound,Quarantined}'"
+  assert_success
+}
+
+@test "last" {
+  skip 'this test is only there to reliably mark the end for the teardown_file'
+}

test/mail_spam_junk_folder.bats

@@ -0,0 +1,51 @@
+load 'test_helper/common'
+
+# Test case
+# ---------
+# When SPAMASSASSIN_SPAM_TO_INBOX=1, spam messages must be delivered and moved to the Junk folder.
+
+
+function setup() {
+    run_setup_file_if_necessary
+}
+
+function teardown() {
+    run_teardown_file_if_necessary
+}
+
+function setup_file() {
+    docker run -d --name mail_spam_moved \
+		-v "`pwd`/test/config":/tmp/docker-mailserver \
+		-v "`pwd`/test/test-files":/tmp/docker-mailserver-test:ro \
+		-e ENABLE_SPAMASSASSIN=1 \
+		-e SPAMASSASSIN_SPAM_TO_INBOX=1 \
+		-e SA_SPAM_SUBJECT="SPAM: " \
+		-h mail.my-domain.com -t "${NAME}"
+
+    wait_for_finished_setup_in_container mail_spam_moved
+}
+
+function teardown_file() {
+    docker rm -f mail_spam_moved
+}
+
+@test "first" {
+  skip 'this test must come first to reliably identify when to run setup_file'
+}
+
+@test "checking amavis: spam message is delivered and moved to the Junk folder" {
+  # send a spam message
+  run docker exec mail_spam_moved /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/amavis-spam.txt"
+  assert_success
+
+  run repeat_until_success_or_timeout 20 sh -c "docker logs mail_spam_moved | grep 'Passed SPAM {RelayedTaggedInbound,Quarantined}'"
+  assert_success
+
+  # spam moved to Junk folder
+  run repeat_until_success_or_timeout 20 sh -c "docker exec mail_spam_moved sh -c 'grep \"Subject: SPAM: \" /var/mail/localhost.localdomain/user1/.Junk/new/ -R'"
+  assert_success
+}
+
+@test "last" {
+  skip 'this test is only there to reliably mark the end for the teardown_file'
+}