+/** Allow a plugin to do a complete takeover of Post by Email **/
+do_action('wp-mail.php');
+
+/** Get the POP3 class with which to access the mailbox. */
+require_once( ABSPATH . WPINC . '/class-pop3.php' );
+
+/** Only check at this interval for new messages. */
+if ( !defined('WP_MAIL_INTERVAL') )
+ define('WP_MAIL_INTERVAL', 300); // 5 minutes
+
+$last_checked = get_transient('mailserver_last_checked');
+
+if ( $last_checked )
+ wp_die(__('Slow down cowboy, no need to check for new mails so often!'));
+
+set_transient('mailserver_last_checked', true, WP_MAIL_INTERVAL);
+
+$time_difference = get_option('gmt_offset') * 3600;