diff --git a/volumes/conf.d/mail.zinomedia.de.conf b/volumes/conf.d/mail.zinomedia.de.conf
index 5bb12c7..1996c6f 100644
--- a/volumes/conf.d/mail.zinomedia.de.conf
+++ b/volumes/conf.d/mail.zinomedia.de.conf
@@ -17,7 +17,7 @@ server {
     ssl_ciphers HIGH:!aNULL:!MD5:!SHA1:!kRSA;
     ssl_prefer_server_ciphers off;
 
-    resolver 127.0.0.11;
+    # resolver 127.0.0.11;
 
     location /Microsoft-Server-ActiveSync {
         set $upstream_mailcow "http://127.0.0.1:8080/Microsoft-Server-ActiveSync";