Deliver root mail (#952)

* Configure delivery of root's mail to postmaster
* Tests for delivery of root mail
* add missing email template

Makefile

@@ -249,6 +249,7 @@ fixtures:
 	docker exec mail /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/sieve-pipe.txt"
 	docker exec mail /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/non-existing-user.txt"
 	docker exec mail_disabled_clamav_spamassassin /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/existing-user1.txt"
+	docker exec mail /bin/sh -c "sendmail root < /tmp/docker-mailserver-test/email-templates/root-email.txt"
 	# postfix virtual transport lmtp
 	docker exec mail_lmtp_ip /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/existing-user1.txt"
 	docker exec mail_privacy /bin/sh -c "openssl s_client -quiet -starttls smtp -connect 0.0.0.0:587 < /tmp/docker-mailserver-test/email-templates/send-privacy-email.txt"

target/postfix/main.cf

@@ -7,9 +7,9 @@ readme_directory = no
 
 # Basic configuration
 # myhostname =
-alias_maps = texthash:/etc/aliases
-alias_database = texthash:/etc/aliases
-mydestination =
+alias_maps = hash:/etc/aliases
+alias_database = hash:/etc/aliases
+mydestination = $myhostname, localhost.$mydomain, localhost
 relayhost =
 mynetworks = 127.0.0.0/8 [::1]/128 [fe80::]/64
 mailbox_size_limit = 0

target/start-mailserver.sh

@@ -656,7 +656,7 @@ function _setup_spoof_protection () {
 	sed -i 's|smtpd_sender_restrictions =|smtpd_sender_restrictions = reject_authenticated_sender_login_mismatch,|' /etc/postfix/main.cf
 	[ "$ENABLE_LDAP" = 1 ] \
 		&& postconf -e "smtpd_sender_login_maps=ldap:/etc/postfix/ldap-users.cf ldap:/etc/postfix/ldap-aliases.cf ldap:/etc/postfix/ldap-groups.cf" \
-		|| postconf -e "smtpd_sender_login_maps=texthash:/etc/postfix/virtual, texthash:/etc/aliases, pcre:/etc/postfix/maps/sender_login_maps.pcre"
+		|| postconf -e "smtpd_sender_login_maps=texthash:/etc/postfix/virtual, hash:/etc/aliases, pcre:/etc/postfix/maps/sender_login_maps.pcre"
 }
 
 function _setup_postfix_access_control() {
@@ -754,6 +754,10 @@ function _setup_postfix_aliases() {
 		s/$/ pcre:\/etc\/postfix\/regexp/
 		}' /etc/postfix/main.cf
 	fi
+
+	notify 'inf' "Configuring root alias"
+	echo "root: ${POSTMASTER_ADDRESS}" > /etc/aliases
+	postalias /etc/aliases
 }
 
 function _setup_SRS() {

test/config/postfix-regexp.cf

@@ -1,2 +1,4 @@
 /^test[0-9][0-9]*@localhost.localdomain/ user1@localhost.localdomain
 /^bounce.*@.*/ external1@otherdomain.tld
+/^postmaster@/ user1@localhost.localdomain
+

test/email-templates/root-email.txt

@@ -0,0 +1,3 @@
+Subject: Root Test Message
+
+This is a test mail.

test/tests.bats

@@ -296,7 +296,7 @@ load 'test_helper/bats-assert/load'
 @test "checking smtp: delivers mail to existing account" {
   run docker exec mail /bin/sh -c "grep 'postfix/lmtp' /var/log/mail/mail.log | grep 'status=sent' | grep ' Saved)' | wc -l"
   assert_success
-  assert_output 10
+  assert_output 12
 }
 
 @test "checking smtp: delivers mail to existing alias" {
@@ -326,10 +326,10 @@ load 'test_helper/bats-assert/load'
   assert_output 1
 }
 
-@test "checking smtp: user1 should have received 6 mails" {
+@test "checking smtp: user1 should have received 9 mails" {
   run docker exec mail /bin/sh -c "ls -A /var/mail/localhost.localdomain/user1/new | wc -l"
   assert_success
-  assert_output 7
+  assert_output 9
 }
 
 @test "checking smtp: rejects mail to unknown user" {
@@ -1708,3 +1708,12 @@ load 'test_helper/bats-assert/load'
   run docker exec mail_with_relays /bin/sh -c 'cat /etc/postfix/sasl_passwd | grep -e "^\[default.relay.com\]:2525\s\+smtp_user:smtp_password" | wc -l | grep 1'
   assert_success
 }
+
+#
+# root mail delivery
+#
+
+@test "checking that mail for root was delivered" {
+  run docker exec mail grep "Subject: Root Test Message" /var/mail/localhost.localdomain/user1/new/ -R
+  assert_success
+}