closes #4918

src/socket.io/user.js

@@ -1,7 +1,7 @@
 'use strict';
 
 var	async = require('async');
-
+var winston = require('winston');
 
 var user = require('../user');
 var topics = require('../topics');
@@ -91,7 +91,17 @@ SocketUser.reset.send = function(socket, email, callback) {
 		return callback(new Error('[[error:invalid-data]]'));
 	}
 
-	user.reset.send(email, callback);
+	user.reset.send(email, function(err) {
+		if (err && err.message !== '[[error:invalid-email]]') {
+			return callback(err);
+		}
+		if (err && err.message === '[[error:invalid-email]]') {
+			winston.verbose('[user/reset] Invalid email attempt: ' + email);
+			return setTimeout(callback, 2500);
+		}
+
+		callback();
+	});
 };
 
 SocketUser.reset.commit = function(socket, data, callback) {