[faas#36] faas-smtp - support for SMTP relay.

Dockerfile

@@ -38,8 +38,9 @@ RUN \
 COPY ./conf/etc/supervisord.conf /etc/supervisord.conf
 COPY ./conf/etc/entrypoint /etc/entrypoint
 COPY ./conf/etc/aliases /etc/aliases
+COPY ./conf/etc/postfix/master.cf /etc/postfix
 
-EXPOSE 25/tcp
+EXPOSE 25 587
 
 ENTRYPOINT ["/etc/entrypoint"]
 

Makefile

@@ -3,6 +3,9 @@ config ?= conf/faas-smtp.cnf
 include $(config)
 export $(shell sed 's/=.*//' $(config))
 
+credentials ?= conf/credentials/faas-smtp-default.cnf
+include $(credentials)
+export $(shell sed 's/=.*//' $(credentials))
 
 .DEFAULT_GOAL := help
 
@@ -13,10 +16,10 @@ build-nc: # build container without caching
 	docker build --no-cache -t ${FAAS_SMTP_IMAGE} --build-arg FAAS_SMTP_NAME=${FAAS_SMTP_NAME} --build-arg FAAS_SMTP_IMAGE=${FAAS_SMTP_IMAGE} --build-arg FAAS_SMTP_VERSION=${FAAS_SMTP_VERSION} .
 
 run: # run container
-	docker run -i -t --detach --rm --env-file=$(config) -p=${FAAS_SMTP_PORT}:25 --name="${FAAS_SMTP_NAME}"  ${FAAS_SMTP_IMAGE}
+	docker run -i -t --detach --rm --env-file=$(config) --env-file=$(credentials) -p=${FAAS_SMTP_PUBLIC_PORT}:587 --name="${FAAS_SMTP_NAME}"  ${FAAS_SMTP_IMAGE}
 
 run-nd: # run container in no-deamon mode
-	docker run -i -t --rm --env-file=$(config) -p=${FAAS_SMTP_PORT}:25 --name="${FAAS_SMTP_NAME}" ${FAAS_SMTP_IMAGE}
+	docker run -i -t --rm --env-file=$(config) --env-file=$(credentials) -p=${FAAS_SMTP_PUBLIC_PORT}:587 --name="${FAAS_SMTP_NAME}" ${FAAS_SMTP_IMAGE}
 
 up: build run # build and run container
 

conf/.gitignore

+/faas-smtp-production.cnf

conf/credentials/.gitignore

+/faas-smtp-production.cnf

conf/credentials/faas-smtp-default.cnf

+FAAS_SMTP_RELAY_SMTP_USERNAME=changeme
+FAAS_SMTP_RELAY_SMTP_PASSWORD=changeme

conf/etc/entrypoint

@@ -13,7 +13,6 @@ newaliases
 sed -i '/imklog/s/^/#/' /etc/rsyslog.conf
 
 
-
 function update_postfix_config_value() {
     local key=${1}
     local value=${2}
@@ -21,10 +20,11 @@ function update_postfix_config_value() {
     [ "${key}" == "" ] && echo "ERROR: Key is not set" && exit 1
     [ "${value}" == "" ] && echo "ERROR:value is not set" && exit 1
 
-    echo "Setting configuration option ${key} with value: ${value}"
+    #echo "Setting configuration option ${key} with value: ${value}"
     postconf -e "${key} = ${value}"
 }
 
+
 [ -z "${FAAS_SMTP_MYHOSTNAME}" ] && echo "FAAS_SMTP_MYHOSTNAME is not set" && exit 1
 [ -z "${FAAS_SMTP_INET_INTERFACES}" ] && echo "FAAS_SMTP_INET_INTERFACES is not set" && exit 1
 [ -z "${FAAS_SMTP_INET_PROTOCOLS}" ] && echo "FAAS_SMTP_INET_PROTOCOLS is not set" && exit 1
@@ -34,6 +34,14 @@ update_postfix_config_value "inet_interfaces" ${FAAS_SMTP_INET_INTERFACES}
 update_postfix_config_value "inet_protocols" ${FAAS_SMTP_INET_PROTOCOLS}
 update_postfix_config_value "mynetworks" "${FAAS_SMTP_POSTFIX_MYNETWORKS}"
 
+if [ "${FAAS_SMTP_RELAY}" = "yes" ]; then
+    echo "configure FAAS_SMTP_RELAY"
+    update_postfix_config_value "smtp_sasl_auth_enable" "${FAAS_SMTP_RELAY_SMTP_SASL_AUTH_ENABLE}"
+    update_postfix_config_value "smtp_sasl_security_options" "${FAAS_SMTP_RELAY_SMTP_SASL_SECURITY_OPTIONS}"
+    update_postfix_config_value "smtp_tls_security_level" "${FAAS_SMTP_RELAY_SMTP_TLS_SECURITY_LEVEL}"
+    update_postfix_config_value "relayhost" "${FAAS_SMTP_RELAY_SMTP_RELAYHOST}:${FAAS_SMTP_RELAY_SMTP_RELAYPORT}"
+    update_postfix_config_value "smtp_sasl_password_maps" "static:${FAAS_SMTP_RELAY_SMTP_USERNAME}:${FAAS_SMTP_RELAY_SMTP_PASSWORD}"
+fi
 
 rm -f /var/spool/postfix/pid/master.pid
 rm -f /run/rsyslogd.pid

conf/etc/postfix/master.cf

+#
+# Postfix master process configuration file.  For details on the format
+# of the file, see the master(5) manual page (command: "man 5 master" or
+# on-line: http://www.postfix.org/master.5.html).
+#
+# Do not forget to execute "postfix reload" after editing this file.
+#
+# ==========================================================================
+# service type  private unpriv  chroot  wakeup  maxproc command + args
+#               (yes)   (yes)   (no)    (never) (100)
+# ==========================================================================
+smtp      inet  n       -       n       -       -       smtpd
+#smtp      inet  n       -       y       -       1       postscreen
+#smtpd     pass  -       -       y       -       -       smtpd
+#dnsblog   unix  -       -       y       -       0       dnsblog
+#tlsproxy  unix  -       -       y       -       0       tlsproxy
+submission inet n       -       n       -       -       smtpd
+#  -o syslog_name=postfix/submission
+#  -o smtpd_tls_security_level=encrypt
+#  -o smtpd_sasl_auth_enable=yes
+#  -o smtpd_tls_auth_only=yes
+#  -o smtpd_reject_unlisted_recipient=no
+#  -o smtpd_client_restrictions=$mua_client_restrictions
+#  -o smtpd_helo_restrictions=$mua_helo_restrictions
+#  -o smtpd_sender_restrictions=$mua_sender_restrictions
+#  -o smtpd_recipient_restrictions=
+#  -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
+#  -o milter_macro_daemon_name=ORIGINATING
+#smtps     inet  n       -       y       -       -       smtpd
+#  -o syslog_name=postfix/smtps
+#  -o smtpd_tls_wrappermode=yes
+#  -o smtpd_sasl_auth_enable=yes
+#  -o smtpd_reject_unlisted_recipient=no
+#  -o smtpd_client_restrictions=$mua_client_restrictions
+#  -o smtpd_helo_restrictions=$mua_helo_restrictions
+#  -o smtpd_sender_restrictions=$mua_sender_restrictions
+#  -o smtpd_recipient_restrictions=
+#  -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
+#  -o milter_macro_daemon_name=ORIGINATING
+#628       inet  n       -       y       -       -       qmqpd
+pickup    unix  n       -       y       60      1       pickup
+cleanup   unix  n       -       y       -       0       cleanup
+qmgr      unix  n       -       n       300     1       qmgr
+#qmgr     unix  n       -       n       300     1       oqmgr
+tlsmgr    unix  -       -       y       1000?   1       tlsmgr
+rewrite   unix  -       -       y       -       -       trivial-rewrite
+bounce    unix  -       -       y       -       0       bounce
+defer     unix  -       -       y       -       0       bounce
+trace     unix  -       -       y       -       0       bounce
+verify    unix  -       -       y       -       1       verify
+flush     unix  n       -       y       1000?   0       flush
+proxymap  unix  -       -       n       -       -       proxymap
+proxywrite unix -       -       n       -       1       proxymap
+smtp      unix  -       -       y       -       -       smtp
+relay     unix  -       -       y       -       -       smtp
+        -o syslog_name=postfix/$service_name
+#       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
+showq     unix  n       -       y       -       -       showq
+error     unix  -       -       y       -       -       error
+retry     unix  -       -       y       -       -       error
+discard   unix  -       -       y       -       -       discard
+local     unix  -       n       n       -       -       local
+virtual   unix  -       n       n       -       -       virtual
+lmtp      unix  -       -       y       -       -       lmtp
+anvil     unix  -       -       y       -       1       anvil
+scache    unix  -       -       y       -       1       scache
+postlog   unix-dgram n  -       n       -       1       postlogd
+#
+# ====================================================================
+# Interfaces to non-Postfix software. Be sure to examine the manual
+# pages of the non-Postfix software to find out what options it wants.
+#
+# Many of the following services use the Postfix pipe(8) delivery
+# agent.  See the pipe(8) man page for information about ${recipient}
+# and other message envelope options.
+# ====================================================================
+#
+# maildrop. See the Postfix MAILDROP_README file for details.
+# Also specify in main.cf: maildrop_destination_recipient_limit=1
+#
+maildrop  unix  -       n       n       -       -       pipe
+  flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
+#
+# ====================================================================
+#
+# Recent Cyrus versions can use the existing "lmtp" master.cf entry.
+#
+# Specify in cyrus.conf:
+#   lmtp    cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4
+#
+# Specify in main.cf one or more of the following:
+#  mailbox_transport = lmtp:inet:localhost
+#  virtual_transport = lmtp:inet:localhost
+#
+# ====================================================================
+#
+# Cyrus 2.1.5 (Amos Gouaux)
+# Also specify in main.cf: cyrus_destination_recipient_limit=1
+#
+#cyrus     unix  -       n       n       -       -       pipe
+#  user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
+#
+# ====================================================================
+# Old example of delivery via Cyrus.
+#
+#old-cyrus unix  -       n       n       -       -       pipe
+#  flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user}
+#
+# ====================================================================
+#
+# See the Postfix UUCP_README file for configuration details.
+#
+uucp      unix  -       n       n       -       -       pipe
+  flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
+#
+# Other external delivery methods.
+#
+ifmail    unix  -       n       n       -       -       pipe
+  flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
+bsmtp     unix  -       n       n       -       -       pipe
+  flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient
+scalemail-backend unix	-	n	n	-	2	pipe
+  flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension}
+mailman   unix  -       n       n       -       -       pipe
+  flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
+  ${nexthop} ${user}
+

conf/faas-smtp.cnf

@@ -3,11 +3,18 @@ FAAS_SMTP_NAME=faas-smtp
 FAAS_SMTP_VERSION=1.0-SNAPSHOT
 FAAS_SMTP_IMAGE=${FAAS_SMTP_REPO}/${FAAS_SMTP_NAME}:${FAAS_SMTP_VERSION}
 
-FAAS_SMTP_MYHOSTNAME=test.faas.geant.net
 FAAS_SMTP_INET_INTERFACES=all
 FAAS_SMTP_INET_PROTOCOLS=all
+FAAS_SMTP_POSTFIX_MYNETWORKS=127.0.0.1/32 192.168.0.0/16 172.16.0.0/12 172.17.0.0/16 10.0.0.0/8
 
-FAAS_SMTP_PORT=9025
+FAAS_SMTP_PUBLIC_PORT=9025
 
-FAAS_SMTP_ROOT_ALIASES_LIST=janny@man.poznan.pl
-FAAS_SMTP_POSTFIX_MYNETWORKS=127.0.0.1/32 192.168.0.0/16 172.16.0.0/12 172.17.0.0/16 10.0.0.0/8
\ No newline at end of file
+FAAS_SMTP_MYHOSTNAME=changeme
+FAAS_SMTP_ROOT_ALIASES_LIST=changeme@changeme
+
+FAAS_SMTP_RELAY=[no|yes]
+FAAS_SMTP_RELAY_SMTP_SASL_AUTH_ENABLE=yes
+FAAS_SMTP_RELAY_SMTP_SASL_SECURITY_OPTIONS=noanonymous
+FAAS_SMTP_RELAY_SMTP_TLS_SECURITY_LEVEL=encrypt
+FAAS_SMTP_RELAY_SMTP_RELAYHOST=
+FAAS_SMTP_RELAY_SMTP_RELAYPORT=

test/send.pl

@@ -11,7 +11,7 @@ my $smtppassword = '';
 
 #my $to = 'janny@man.poznan.pl';
 my $to = 'dariusz.janny@gmail.com';
-my $from = 'root@test.faas.geant.net';
+my $from = 'janny@man.poznan.pl';
 my $subject = 'subject no 2';
 
 my $smtp = Net::SMTP->new($smtpserver, Port=>$smtpport, Timeout => 10, Debug => 1);