just use emailLogo instead of doing logo with x50.png suffix

src/controllers/admin/uploads.js

@@ -150,12 +150,15 @@ function uploadImage(filename, folder, uploadedFile, req, res, next) {
 			// Post-processing for site-logo
 			if (path.basename(filename, path.extname(filename)) === 'site-logo' && folder === 'system') {
 				var uploadPath = path.join(nconf.get('upload_path'), folder, 'site-logo-x50.png');
-				image.resizeImage({
+				async.series([
+					async.apply(image.resizeImage, {
 						path: uploadedFile.path,
 						target: uploadPath,
 						extension: 'png',
 						height: 50,
-				}, function (err) {
+					}),
+					async.apply(meta.configs.set, 'brand:emailLogo', path.join(nconf.get('upload_url'), 'system/site-logo-x50.png'))
+				], function (err) {
 					next(err, imageData);
 				});
 			} else {

src/emailer.js

@@ -32,10 +32,8 @@ Emailer.registerApp = function (expressApp) {
 	app = expressApp;
 
 	var logo = null;
-	if (meta.configs.hasOwnProperty('brand:emailLogo')) {
-		logo = nconf.get('url') + meta.configs['brand:emailLogo'];
-	} else if (meta.config.hasOwnProperty('brand:logo')) {
-		logo = nconf.get('url') + meta.config['brand:logo'].replace('.png', '-x50.png');
+	if (meta.config.hasOwnProperty('brand:emailLogo')) {
+		logo = nconf.get('url') + meta.config['brand:emailLogo'];
 	}
 
 	Emailer._defaultPayload = {
@@ -67,6 +65,7 @@ Emailer.registerApp = function (expressApp) {
 	// Update default payload if new logo is uploaded
 	pubsub.on('config:update', function (config) {
 		if (config) {
+			Emailer._defaultPayload.logo.src = config['brand:emailLogo'];
 			Emailer._defaultPayload.logo.height = config['brand:emailLogo:height'];
 			Emailer._defaultPayload.logo.width = config['brand:emailLogo:width'];
 		}