fix(postfix): Add missing dnsblog service to utilise DNSBLs

Currently postfix reports and error due to the missing service. This
patch fixes the problem by enabling the expected service in master.cf

charts/mok/Chart.yaml

@@ -3,7 +3,7 @@ name: mok
 description: |
   Mail on Kubernetes (MoK) is a project to deploy a functional mailserver that runs without a database server on Kubernetes, taking advantage of configmaps and secret.
 type: application
-version: 0.3.0
+version: 0.3.1
 sources:
   - https://de.postfix.org/ftpmirror/index.html
   - https://github.com/dovecot/core

charts/mok/values.yaml

@@ -44,7 +44,7 @@ postfix:
     repository: quay.io/shivering-isles/postfix
     pullPolicy: IfNotPresent
     # -- Overrides the image tag whose default is "latest"
-    tag: "0.2.0"
+    tag: "0.2.1"
 
   imagePullSecrets: []
 

images/postfix/.release

-release=0.2.0
+release=0.2.1

images/postfix/config/master.cf

@@ -4,7 +4,7 @@
 # ==========================================================================
 10025      inet  n       -       -       -       1       postscreen
 #smtpd     pass  -       -       -       -       -       smtpd
-#dnsblog   unix  -       -       -       -       0       dnsblog
+dnsblog   unix  -       -       -       -       0       dnsblog
 #tlsproxy  unix  -       -       -       -       0       tlsproxy
 #smtps     inet  n       -       -       -       -       smtpd
 #  -o syslog_name=postfix/smtps