diff --git a/backend/src/main/resources/config/application.properties.dev b/backend/src/main/resources/config/application.properties.dev
index e680bba0e..b1785bad2 100644
--- a/backend/src/main/resources/config/application.properties.dev
+++ b/backend/src/main/resources/config/application.properties.dev
@@ -76,3 +76,5 @@ dataExportMaxThreads=4
 dataExportMaxTaskLifeTime=30000
 dataExportPath=/tmp
 dataExportMaxItemsPerExport=1000000
+
+spring.mail.properties.mail.smtp.auth=true
\ No newline at end of file