readme

README.md

@@ -211,6 +211,10 @@ See [examples/low-level](examples/low-level)
 
 ## Tips
 
+### Persistance
+
+Postfix stores its mail queues in the `/var/spool/postfix` directory and you can mount your volume here so the outgoing emails are not lost when the container is restarted.
+
 ### DKIM
 
 [DomainKeys Identified Mail](https://en.wikipedia.org/wiki/DomainKeys_Identified_Mail) (DKIM) is an email authentication method designed to detect forged sender addresses in email (email spoofing), a technique often used in phishing and email spam.

chart/values.yaml

@@ -103,7 +103,7 @@ service:
   # externalTrafficPolicy: Local
 
 servicePP:
-  create: false
+  create: true
   type: ClusterIP
   port: 586
   # nodePort: 30586

examples/yaml-all-in-one/README.md

@@ -1 +1,26 @@
 # Configure via all-in-one YAML file
+
+## Configuration files
+
+| Path                              | Description                   |
+| --------------------------------- | ----------------------------- |
+| `./all-in-one.yaml`               | All config in one file        |
+
+## Docker
+
+```shell
+docker run -d --restart unless-stopped \
+    --name smarthost \
+    -p 8587:587 -p 8586:586 \
+    -v ./all-in-one.yaml:/etc/smarthost/yaml.d/all-in-one.yaml \
+    insios/smarthost
+```
+
+## Helm
+
+```shell
+helm upgrade --install --atomic --cleanup-on-fail \
+    --namespace smarthost --create-namespace \
+    --set-file config.yaml.data.all-in-one_yaml=./all-in-one.yaml \
+    smarthost oci://ghcr.io/insios/helm/smarthost
+```

examples/yaml-all-in-one/all-in-one.yaml

@@ -0,0 +1,121 @@
+config:
+  verbose: false
+  hostname: 'relay.mydomain.com'
+  allowed_networks:
+    - '0.0.0.0/0'
+  auth: true
+  sender_restrictions: 'email' # domain | email
+  tls:
+    level: 'may' # may | encrypt
+    crt: |
+      -----BEGIN CERTIFICATE-----
+      MIIFUDCCAzigAwIBAgIUN7N0h+J8NfmnzNhJpiHhohdztuAwDQYJKoZIhvcNAQEL
+      BQAwHTEbMBkGA1UEAwwScmVsYXkubXlkb21haW4uY29tMB4XDTI0MDkyNDE1MDM1
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+      v6rPUtK48F1y8DMOSwRT/0onaXs=
+      -----END CERTIFICATE-----
+    key: |
+      -----BEGIN PRIVATE KEY-----
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+      coWnNwM4d7KQ9m80PgOYMqAw3ZC0
+      -----END PRIVATE KEY-----
+
+users:
+  - name: 'user1'
+    password: 'password1'
+    allowed_from:
+      - '@mydomain.com'
+
+domains:
+  - name: 'mydomain.com'
+    dkim:
+      selector: 'myrelay'
+      key: |
+        -----BEGIN RSA PRIVATE KEY-----
+        MIICXQIBAAKBgQCn8bRlLepOHmIjN+gvFxgrfsvG8Im2+JDfmO6qkc0EVWyMFO2V
+        YOO1HDfPSojmhLI/Pgh3SNwxe7XQWQ53ektR8f4s53r34H3T093AS+OgaEqWv6ny
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+        -----END RSA PRIVATE KEY-----