Merge pull request #80 from tomav/fix-spamassassin-default-config

Added Spamassassin configuration using ENV variables (see README)

Makefile

@@ -1,19 +1,30 @@
 NAME = tvial/docker-mailserver
-VERSION = $(TRAVIS_BUILD_ID)
 
 all: build run fixtures tests clean
 all-no-build: run fixtures tests clean
 
 build:
-	docker build --no-cache -t $(NAME):$(VERSION) . 
+	docker build --no-cache -t $(NAME) . 
 
 run:
 	# Copy test files
 	cp test/accounts.cf postfix/
 	cp test/virtual postfix/
 	# Run containers
-	docker run -d --name mail -v "`pwd`/postfix":/tmp/postfix -v "`pwd`/spamassassin":/tmp/spamassassin -v "`pwd`/test":/tmp/test -h mail.my-domain.com -t $(NAME):$(VERSION)
-	docker run -d --name mail_pop3 -v "`pwd`/postfix":/tmp/postfix -v "`pwd`/spamassassin":/tmp/spamassassin -v "`pwd`/test":/tmp/test -e ENABLE_POP3=1 -h mail.my-domain.com -t $(NAME):$(VERSION)
+	docker run -d --name mail \
+		-v "`pwd`/postfix":/tmp/postfix \
+		-v "`pwd`/spamassassin":/tmp/spamassassin \
+		-v "`pwd`/test":/tmp/test \
+		-e SA_TAG=1.0 \
+		-e SA_TAG2=2.0 \
+		-e SA_KILL=3.0 \
+		-h mail.my-domain.com -t $(NAME)
+	docker run -d --name mail_pop3 \
+		-v "`pwd`/postfix":/tmp/postfix \
+		-v "`pwd`/spamassassin":/tmp/spamassassin \
+		-v "`pwd`/test":/tmp/test \
+		-e ENABLE_POP3=1 \
+		-h mail.my-domain.com -t $(NAME)
 	# Wait for containers to fully start
 	sleep 60
 

README.md

@@ -88,6 +88,12 @@ Example:
 * ENABLE_POP3
   * *empty* (default) => POP3 service disabled
   * 1 => Enables POP3 service
+* SA_TAG
+  * *2.0* (default) => add spam info headers if at, or above that level
+* SA_TAG2
+  * *6.31* (default) => add 'spam detected' headers at that level
+* SA_KILL
+  * *6.31* (default) => triggers spam evasive actions)
 
 Please read [how the container starts](https://github.com/tomav/docker-mailserver/blob/master/start-mailserver.sh) to understand what's expected.  
 

start-mailserver.sh

@@ -182,13 +182,11 @@ echo "Creating /etc/mailname"
 echo $(hostname -d) > /etc/mailname
 
 echo "Configuring Spamassassin"
-echo "required_hits 5.0" >> /etc/mail/spamassassin/local.cf
-echo "report_safe 0" >> /etc/mail/spamassassin/local.cf
-echo "required_score 5" >> /etc/mail/spamassassin/local.cf
-echo "rewrite_header Subject ***SPAM***" >> /etc/mail/spamassassin/local.cf
+SA_TAG=${SA_TAG:="2.0"} && sed -i -r 's/^\$sa_tag_level_deflt (.*);/\$sa_tag_level_deflt = '$SA_TAG';/g' /etc/amavis/conf.d/20-debian_defaults
+SA_TAG2=${SA_TAG2:="6.31"} && sed -i -r 's/^\$sa_tag2_level_deflt (.*);/\$sa_tag2_level_deflt = '$SA_TAG2';/g' /etc/amavis/conf.d/20-debian_defaults
+SA_KILL=${SA_KILL:="6.31"} && sed -i -r 's/^\$sa_kill_level_deflt (.*);/\$sa_kill_level_deflt = '$SA_KILL';/g' /etc/amavis/conf.d/20-debian_defaults
 cp /tmp/spamassassin/rules.cf /etc/spamassassin/
 
-
 echo "Configuring fail2ban"
 # enable filters
 perl -i -0pe 's/(\[postfix\]\n\n).*\n/\1enabled  = true\n/'     /etc/fail2ban/jail.conf

test/test.sh

@@ -68,6 +68,14 @@ assert_raises "docker exec mail grep ': error:' /var/log/mail.log" 1
 assert_raises "docker exec mail_pop3 grep 'non-null host address bits in' /var/log/mail.log" 1
 assert_raises "docker exec mail_pop3 grep ': error:' /var/log/mail.log" 1
 
+# Testing Spamssassin config in Amavis
+assert_raises "docker exec mail_pop3 grep '\$sa_tag_level_deflt' /etc/amavis/conf.d/20-debian_defaults | grep '= 2.0'" 0
+assert_raises "docker exec mail_pop3 grep '\$sa_tag2_level_deflt' /etc/amavis/conf.d/20-debian_defaults | grep '= 6.31'" 0
+assert_raises "docker exec mail_pop3 grep '\$sa_kill_level_deflt' /etc/amavis/conf.d/20-debian_defaults | grep '= 6.31'" 0
+assert_raises "docker exec mail grep '\$sa_tag_level_deflt' /etc/amavis/conf.d/20-debian_defaults | grep '= 1.0'" 0
+assert_raises "docker exec mail grep '\$sa_tag2_level_deflt' /etc/amavis/conf.d/20-debian_defaults | grep '= 2.0'" 0
+assert_raises "docker exec mail grep '\$sa_kill_level_deflt' /etc/amavis/conf.d/20-debian_defaults | grep '= 3.0'" 0
+
 # Testing OpenDKIM
 assert "docker exec mail cat /etc/opendkim/KeyTable | wc -l" "2"
 assert "docker exec mail ls -l /etc/opendkim/keys/ | grep '^d' | wc -l" "2"