diff --git a/charts/mok/Chart.yaml b/charts/mok/Chart.yaml
index 80b2dde8b5e34bdd0c47f9aee19ae94591d4abab..fae8d2c306ff43c93fe96256f10eb0f1dce66ffe 100644
--- a/charts/mok/Chart.yaml
+++ b/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: 0.10.6
+version: 0.10.7
 sources:
   - https://de.postfix.org/ftpmirror/index.html
   - https://github.com/dovecot/core
diff --git a/charts/mok/README.md b/charts/mok/README.md
index 54f0d701400eca744a8f3cc5074dd5ad45457208..1e8edb55daeda0664813972f2826b7af6ec07f8c 100644
--- a/charts/mok/README.md
+++ b/charts/mok/README.md
@@ -1,6 +1,6 @@
 # mok
 
-![Version: 0.10.6](https://img.shields.io/badge/Version-0.10.6-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
+![Version: 0.10.7](https://img.shields.io/badge/Version-0.10.7-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 
 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.
 
diff --git a/charts/mok/templates/postfix-config.yaml b/charts/mok/templates/postfix-config.yaml
index 6684d1ef8295cb2cc559a9c028bc4d8d2d6594eb..5b69cb6cecced3859b316207da53da49f9ddf078 100644
--- a/charts/mok/templates/postfix-config.yaml
+++ b/charts/mok/templates/postfix-config.yaml
@@ -188,8 +188,8 @@ data:
     #    -o header_checks=pcre:/srv/config/submission_header_checks.pcre
 
     headers-cleanup unix n - - - 0 cleanup
-    -o syslog_name=postfix/headers-cleanup
-    -o header_checks=regexp:/etc/postfix/header_checks
+        -o syslog_name=postfix/headers-cleanup
+        -o header_checks=regexp:/etc/postfix/header_checks
   main.cf: |
     ############### Please enable soft_bounce during maintenance: #################
 
@@ -365,4 +365,4 @@ data:
     maximal_queue_lifetime = 1d
     bounce_queue_lifetime = 1d
     unverified_recipient_reject_code = 577
-    compatibility_level = 2
+    compatibility_level = 3.6
diff --git a/charts/mok/tests/__snapshot__/postfix_test.yaml.snap b/charts/mok/tests/__snapshot__/postfix_test.yaml.snap
index 2c694449902658e755664535cf18dd7be25b9ac4..1447f60fbc3a94ea110eab568984162de3643920 100644
--- a/charts/mok/tests/__snapshot__/postfix_test.yaml.snap
+++ b/charts/mok/tests/__snapshot__/postfix_test.yaml.snap
@@ -174,7 +174,7 @@ should match snapshot:
         maximal_queue_lifetime = 1d
         bounce_queue_lifetime = 1d
         unverified_recipient_reject_code = 577
-        compatibility_level = 2
+        compatibility_level = 3.6
       master.cf: |
         # ==========================================================================
         # service type  private unpriv  chroot  wakeup  maxproc command + args
@@ -357,8 +357,8 @@ should match snapshot:
         #    -o header_checks=pcre:/srv/config/submission_header_checks.pcre
 
         headers-cleanup unix n - - - 0 cleanup
-        -o syslog_name=postfix/headers-cleanup
-        -o header_checks=regexp:/etc/postfix/header_checks
+            -o syslog_name=postfix/headers-cleanup
+            -o header_checks=regexp:/etc/postfix/header_checks
     kind: ConfigMap
     metadata:
       labels:
@@ -418,7 +418,7 @@ should match snapshot:
       template:
         metadata:
           annotations:
-            checksum/config: a6bd4491f5df073542c8ba9bec124f4d64d2ac35c281d0cc28a79f3b38a97bd9
+            checksum/config: 900b63e812eed8703a83622630d3f0bedd6e475bdb5ec3eeaffa1549ff43a489
             checksum/secret: 66ea930a9b7e50528ddc0aa54786d07f78c7f56d1daea45b21d9eb94f8e5c4f2
           labels:
             app.kubernetes.io/component: postfix