Improve email set-up

README.md

@@ -47,5 +47,14 @@ _(Only tested using subdomains)_
 2. `direnv allow`
 3. `abra deploy`
 
+## Email
+
+1. Deploy `postfix-relay`
+2. Edit `.envrc` and uncomment the email lines; change `MAIL_FROM` to make sure
+   the domain is the same as `postfix-relay`'s `$DOMAIN` or in its
+   `$EXTRA_SENDER_DOMAINS`
+3. `direnv allow` (or `source .envrc`)
+7. `abra deploy`
+
 [abra]: https://git.autonomic.zone/autonomic-cooperative/abra
 [compose-traefik]: https://git.autonomic.zone/compose-stacks/traefik

compose.mailrelay.yml

@@ -3,17 +3,17 @@ version: "3.8"
  
 services:
   wordpress:
-    entrypoint: /docker-entrypoint2.sh
+    entrypoint: /docker-entrypoint.sh
     environment:
       - SMTP_HOST=${SMTP_HOST}
+      - MAIL_FROM=${MAIL_FROM}
     networks:
       - mail
     configs:
-      - source: entrypoint_mailrelay_conf
-        target: /docker-entrypoint2.sh
-        mode: 0555
       - source: mstmp_conf
         target: /etc/msmtprc
+      - source: entrypoint
+        target: /etc/msmtprc
         mode: 0555
 
 networks:
@@ -25,7 +25,7 @@ configs:
     name: ${STACK_NAME}_mstmp_conf_${MSMTP_CONF_VERSION}
     file: msmtp.conf.tmpl
     template_driver: golang
-  entrypoint_mailrelay_conf:
-    name: ${STACK_NAME}_entrypoint_mailrelay_${ENTRYPOINT_MAILRELAY_CONF_VERSION}
-    file: entrypoint.mailrelay.sh.tmpl
+  entrypoint_conf:
+    name: ${STACK_NAME}_entrypoint_${ENTRYPOINT_CONF_VERSION}
+    file: entrypoint.sh.tmpl
     template_driver: golang

entrypoint.mailrelay.sh.tmpl

@@ -2,7 +2,7 @@
 
 apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y msmtp && rm -rf /var/lib/apt/lists/*
 
-echo "sendmail_path = /usr/bin/msmtp -t -i" >> /usr/local/etc/php/conf.d/sendmail.ini
+echo "sendmail_path = /usr/bin/msmtp -t -i" > /usr/local/etc/php/conf.d/sendmail.ini
 
 # Upstream ENTRYPOINT
 # https://github.com/docker-library/wordpress/blob/master/php7.4/apache/Dockerfile#L120

msmtp.conf.tmpl

@@ -1,3 +1,3 @@
 account default
 host {{ env "SMTP_HOST" }}
-auto_from on
+from {{ env "MAIL_FROM" }}