diff --git a/bot/src/bot/translation/de.json b/bot/src/bot/translation/de.json
index 45f64e14..60b069a8 100644
--- a/bot/src/bot/translation/de.json
+++ b/bot/src/bot/translation/de.json
@@ -2,7 +2,7 @@
   "api": {
     "api": {
       "test_mail": {
-        "message": "Dies ist eine Test-Mail vom Krümelmonster Web Interface\nGesendet von {}-{}",
+        "message": "Dies ist eine Test-Mail vom Kruemelmonster Web Interface\r\nGesendet von {}-{}",
         "subject": "Krümelmonster Web Interface Test-Mail"
       }
     },
diff --git a/bot/src/bot_data/model/auth_user.py b/bot/src/bot_data/model/auth_user.py
index 47bdf41a..13c77bd6 100644
--- a/bot/src/bot_data/model/auth_user.py
+++ b/bot/src/bot_data/model/auth_user.py
@@ -258,6 +258,15 @@ class AuthUser(TableABC):
         """
         )
 
+    @property
+    def delete_relations_string(self) -> str:
+        return str(
+            f"""
+            DELETE FROM `AuthUserUsersRelations`
+            WHERE `AuthUserId` = {self._auth_user_id};
+        """
+        )
+
     @property
     def delete_string(self) -> str:
         return str(
diff --git a/bot/src/bot_data/service/auth_user_repository_service.py b/bot/src/bot_data/service/auth_user_repository_service.py
index 70ebb786..1f657d3a 100644
--- a/bot/src/bot_data/service/auth_user_repository_service.py
+++ b/bot/src/bot_data/service/auth_user_repository_service.py
@@ -164,6 +164,7 @@ class AuthUserRepositoryService(AuthUserRepositoryABC):
 
     def delete_auth_user(self, user: AuthUser):
         self._logger.trace(__name__, f"Send SQL command: {user.delete_string}")
+        self._context.cursor.execute(user.delete_relations_string)
         self._context.cursor.execute(user.delete_string)
 
     def add_auth_user_user_rel(self, rel: AuthUserUsersRelation):