add msmtp for debug

Dockerfile

@@ -6,6 +6,7 @@ RUN apk update && \
     apk add bash gawk cyrus-sasl cyrus-sasl-login cyrus-sasl-crammd5 mailx \
     postfix && \
     apk add make go pkgconfig libsecret libsecret-dev git gpg gpg-agent pass && \
+    apk add msmtp && \
     rm -rf /var/cache/apk/* && \
     mkdir -p /var/log/supervisor/ /var/run/supervisor/ && \
     sed -i -e 's/inet_interfaces = localhost/inet_interfaces = all/g' /etc/postfix/main.cf
@@ -18,21 +19,18 @@ RUN gpg-agent --daemon --batch --disable-scdaemon
 RUN gpg --quick-gen-key --batch --passphrase '' pmbkey
 RUN pass init pmbkey
 
+COPY dotmsmtprc /root/.msmtprc
 COPY run.sh /
-COPY passpgp.sh /
 RUN chmod +x /run.sh
-RUN chmod +x /passpgp.sh
 RUN newaliases
 
 # ProtonMailBridge
-RUN git clone https://github.com/ProtonMail/proton-bridge.git pb
-WORKDIR pb
+RUN git clone https://github.com/ProtonMail/proton-bridge.git pmb
+WORKDIR pmb
 RUN echo "BUILDING BRIDGE"
 RUN make build-nogui
 RUN rm -rf /root/.cache && rm -rf /root/go
 
-WORKDIR /
-
 EXPOSE 25
 #ENTRYPOINT ["/run.sh"]
 CMD ["/run.sh"]

docker-compose.yml

@@ -1,6 +1,6 @@
 version: '2'
 services:
-  dpo:
+  pmb:
     build:
       context: .
       dockerfile: Dockerfile
@@ -11,19 +11,19 @@ services:
       - .env
     restart: always
     volumes:
-      - dpo_root:/root
+      - pmb_root:/root
       - "/etc/localtime:/etc/localtime:ro"
     networks:
-      - mn
+      - pmb_mailnet
 
   deb:
     image: debian:latest
     tty: yes
     stdin_open: yes
     networks:
-      - mn
+      - pmb_mailnet
 
 networks:
-  mn:
+  pmb_mailnet:
 volumes:
-  dpo_root:
+  pmb_root:

dotmsmtprc

@@ -0,0 +1,28 @@
+# (debian) cat /usr/share/doc/msmtp/examples/msmtprc-user-example
+# Example for a user configuration file ~/.msmtprc
+
+# With modern mail services that publish autoconfiguration information,
+# you can simply run 'msmtp --configure yourmail@example.com' to get
+# a basic working configuration.
+
+# This example focusses on TLS and authentication. Features not used here
+# include logging, timeouts, SOCKS proxies, TLS parameters, Delivery Status
+# Notification (DSN) settings, and more.
+
+# Set default values: use the mail submission port 587, and always use TLS.
+# On this port, TLS is activated via STARTTLS.
+defaults
+port 25
+tls off
+tls_starttls off
+
+# Define a mail account at a freemail service
+account pmb
+# Host name of the SMTP server
+host pmb
+# Envelope-from address
+from joe_smith@freemail.example
+# Authentication
+auth off
+#user joe.smith
+

run.sh

@@ -2,16 +2,13 @@
 
 [ "${DEBUG}" == "yes" ] && set -x
 
-# GPG Area
-#exec gpg-agent --daemon --batch --disable-scdaemon
+# GPG/PMB Area -------------------
 gpg-agent --daemon --batch --disable-scdaemon
+# ProtonMail bridge has really bad timeout/retry logic:
+sleep 2
+/pmb/bridge -n &
 
-
-
-
-
-
-# Postfix area
+# Postfix area ------------------
 
 function add_config_value() {
   local key=${1}
@@ -46,6 +43,7 @@ add_config_value "myorigin" '$mydomain'
 add_config_value "relayhost" "[${SMTP_SERVER}]:${SMTP_PORT}"
 add_config_value "smtp_use_tls" "yes"
 if [ ! -z "${SMTP_USERNAME}" ]; then
+  # Following line added for proton bridge
   add_config_value "smtp_sasl_mechanism_filter" "login"
   add_config_value "smtp_sasl_auth_enable" "yes"
   add_config_value "smtp_sasl_password_maps" "lmdb:/etc/postfix/sasl_passwd"