diff --git a/integration-tests/templates/etlserver-all/etc/service.properties b/integration-tests/templates/etlserver-all/etc/service.properties
index b16488d99231520948b3b9cae78fd5e80d9522cc..635c1761399528778c3743f7fb6041dfa9c58190 100644
--- a/integration-tests/templates/etlserver-all/etc/service.properties
+++ b/integration-tests/templates/etlserver-all/etc/service.properties
@@ -19,6 +19,8 @@ password = <change this>
 # SMTP properties (must start with 'mail' to be considered). 
 mail.smtp.host = mail.ethz.ch
 # mail.from = etlserver@localhost
+# mail.smtp.user = 
+# mail.smtp.password = 
 
 # Maximum number of retries if renaming failed.
 # renaming.failure.max-retries = 12