Load and save the relay settings

part of #188

src/routes/settings.js

@@ -127,7 +127,7 @@ function setMailConfig(req, res, next) {
         if (error && error.reason === SettingsError.BAD_FIELD) return next(new HttpError(400, error.message));
         if (error) return next(new HttpError(500, error));
 
-        next(new HttpSuccess(200));
+        next(new HttpSuccess(202));
     });
 }
 
@@ -153,7 +153,7 @@ function setMailRelay(req, res, next) {
         if (error && error.reason === SettingsError.BAD_FIELD) return next(new HttpError(400, error.message));
         if (error) return next(new HttpError(500, error));
 
-        next(new HttpSuccess(200));
+        next(new HttpSuccess(202));
     });
 }
 
@@ -178,7 +178,7 @@ function setCatchAllAddress(req, res, next) {
         if (error && error.reason === SettingsError.BAD_FIELD) return next(new HttpError(400, error.message));
         if (error) return next(new HttpError(500, error));
 
-        next(new HttpSuccess(200, {}));
+        next(new HttpSuccess(202));
     });
 }
 
@@ -191,7 +191,7 @@ function setCloudronAvatar(req, res, next) {
     settings.setCloudronAvatar(avatar, function (error) {
         if (error) return next(new HttpError(500, error));
 
-        next(new HttpSuccess(202, {}));
+        next(new HttpSuccess(202));
     });
 }