diff --git a/data/conf/postfix/config_templates/extra.cf.j2 b/data/conf/postfix/config_templates/extra.cf.j2
new file mode 100644
index 000000000..e69de29bb
diff --git a/data/conf/postfix/config_templates/main.cf.j2 b/data/conf/postfix/config_templates/main.cf.j2
index 25cf1a9d3..c6747570b 100644
--- a/data/conf/postfix/config_templates/main.cf.j2
+++ b/data/conf/postfix/config_templates/main.cf.j2
@@ -176,4 +176,4 @@ lmtp_destination_recipient_limit=1
 
 myhostname = {{ MAILCOW_HOSTNAME }}
 
-{{ EXTRA_CF | safe }}
+{% include "extra.cf.j2" %}