<?php $username = ''; $password = ''; $ch = curl_init('https://mail.google.com/mail/feed/atom'); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_USERPWD, "$username:$password"); $content = curl_exec($ch); if(!strpos($content, 'Unauthorized')) echo "Good account"; else echo "Bad acoount"; ?>