diff --git a/core/nginx/conf/nginx.conf b/core/nginx/conf/nginx.conf
index 17d67526..eced2c46 100644
--- a/core/nginx/conf/nginx.conf
+++ b/core/nginx/conf/nginx.conf
@@ -245,7 +245,7 @@ mail {
       listen 465 ssl;
       listen [::]:465 ssl;
       protocol smtp;
-      smtp_auth plain;
+      smtp_auth plain login;
     }
 
     server {
diff --git a/tests/compose/core/00_create_users.sh b/tests/compose/core/00_create_users.sh
index 967e13b7..40d0bd6e 100755
--- a/tests/compose/core/00_create_users.sh
+++ b/tests/compose/core/00_create_users.sh
@@ -1,4 +1,4 @@
 echo "Creating users ..."
-docker-compose -f tests/compose/core/docker-compose.yml exec admin python3 manage.py admin admin mailu.io password || exit 1
-docker-compose -f tests/compose/core/docker-compose.yml exec admin python3 manage.py user --hash_scheme='SHA512-CRYPT' user mailu.io 'password' || exit 1
+docker-compose -f tests/compose/core/docker-compose.yml exec admin flask mailu admin admin mailu.io password || exit 1
+docker-compose -f tests/compose/core/docker-compose.yml exec admin flask mailu user user mailu.io 'password' 'SHA512-CRYPT' || exit 1
 echo "Admin and user successfully created!"