From 6f65f3f38e3d5783684cdecb57dbb9295181a506 Mon Sep 17 00:00:00 2001
From: Mauro Torrez <maurotorrez@gmail.com>
Date: Sat, 18 Apr 2020 19:27:30 -0300
Subject: [PATCH] milter support

---
 Dockerfile                        |  4 ++++
 confd/conf.d/setup_milter.toml    | 10 ++++++++++
 confd/templates/setup_milter.tmpl |  6 ++++++
 3 files changed, 20 insertions(+)
 create mode 100644 confd/conf.d/setup_milter.toml
 create mode 100644 confd/templates/setup_milter.tmpl

diff --git a/Dockerfile b/Dockerfile
index 6b5f59f..e7026e3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -47,6 +47,10 @@ ENV SMTP_TLS_MANDATORY_PROTOCOLS=""
 ENV SMTP_TLS_NOTE_STARTTLS_OFFER=""
 ENV SMTP_TLS_SECURITY_LEVEL=""
 ENV SMTP_TLS_SESSION_CACHE_DATABASE=""
+ENV SMTPD_MILTERS=""
+ENV NON_SMTPD_MILTERS="\$smtpd_milters"
+ENV MILTER_DEFAULT_ACTION=accept
+ENV INTERNAL_MAIL_FILTER_CLASSES=bounce
 
 # TODO: template access lists
 
diff --git a/confd/conf.d/setup_milter.toml b/confd/conf.d/setup_milter.toml
new file mode 100644
index 0000000..510bd9f
--- /dev/null
+++ b/confd/conf.d/setup_milter.toml
@@ -0,0 +1,10 @@
+[template]
+src = "setup_milter.tmpl"
+dest = "/start.d/setup_milter"
+mode = "0755"
+keys = [
+"/smtpd/milters",
+"/non/smtpd/milters",
+"/milter/default/action",
+"/internal/mail/filter/classes",
+]
diff --git a/confd/templates/setup_milter.tmpl b/confd/templates/setup_milter.tmpl
new file mode 100644
index 0000000..42d57c8
--- /dev/null
+++ b/confd/templates/setup_milter.tmpl
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+{{ with getv "/smtpd/milters" }}postconf smtpd_milters='{{.}}'{{ end }}
+{{ with getv "/non/smtpd/milters" }}postconf non_smtpd_milters='{{.}}'{{ end }}
+{{ with getv "/milter/default/action" }}postconf milter_default_action='{{.}}'{{ end }}
+{{ with getv "/internal/mail/filter/classes" }}postconf internal_mail_filter_classes='{{.}}'{{ end }}