git subrepo clone https://github.com/mailcow/mailcow-dockerized.git mailcow/src/mailcow-dockerized

subrepo: subdir:   "mailcow/src/mailcow-dockerized"
  merged:   "a832becb"
upstream: origin:   "https://github.com/mailcow/mailcow-dockerized.git"
  branch:   "master"
  commit:   "a832becb"
git-subrepo: version:  "0.4.3"
  origin:   "???"
  commit:   "???"
Change-Id: If5be2d621a211e164c9b6577adaa7884449f16b5
diff --git a/mailcow/src/mailcow-dockerized/helper-scripts/docker-compose.override.yml.d/EXTERNAL_DNS/docker-compose.override.yml b/mailcow/src/mailcow-dockerized/helper-scripts/docker-compose.override.yml.d/EXTERNAL_DNS/docker-compose.override.yml
new file mode 100644
index 0000000..74763bf
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/helper-scripts/docker-compose.override.yml.d/EXTERNAL_DNS/docker-compose.override.yml
@@ -0,0 +1,44 @@
+version: '2.1'
+services:
+
+    clamd-mailcow:
+      dns:
+        - my.resolvers.ip.addr
+
+    rspamd-mailcow:
+      dns:
+        - my.resolvers.ip.addr
+
+    php-fpm-mailcow:
+      dns:
+        - my.resolvers.ip.addr
+
+    sogo-mailcow:
+      dns:
+        - my.resolvers.ip.addr
+
+    dovecot-mailcow:
+      dns:
+        - my.resolvers.ip.addr
+
+    postfix-mailcow:
+      dns:
+        - my.resolvers.ip.addr
+
+    nginx-mailcow:
+      dns:
+        - my.resolvers.ip.addr
+
+    acme-mailcow:
+      dns:
+        - my.resolvers.ip.addr
+
+    watchdog-mailcow:
+      environment:
+        - CHECK_UNBOUND=0
+      dns:
+        - my.resolvers.ip.addr
+
+    dockerapi-mailcow:
+      dns:
+        - my.resolvers.ip.addr