note 79782 added to function.getmxrr

If greylisting is installed on the mx host then he send a "451 4.7.1 Please try again later" My code fragment: <?php //... foreach ($mx_records as $mx_host) { $code = CheckMX($mx_host, $eMail); if ($code == 0) continue; // host not found if ($code == 451) $code = CheckMX($mx_host, $eMail); // Greylisting if ($code == 250) { $ok = true; break; } } //... function CheckMX($mx_host, $eMail) { $code = 0; $fp = @fsockopen($mx_host, 25, $errno, $errstr, 2); if ($fp) { send_command($fp, 'HELO microsoft.com'); send_command($fp, 'MAIL FROM:<support@microsoft.com>'); $erg = send_command($fp, 'RCPT TO:<'.$eMail.'>'); fclose($fp); $code = intval(substr($erg, 0, 3)); } return $code; } //... ?> ---- Server IP: 69.147.83.197 Probable Submitter: 88.73.48.149 ---- Manual Page -- http://www.php.net/manual/en/function.getmxrr.php Edit -- https://master.php.net/note/edit/79782 Del: integrated -- https://master.php.net/note/delete/79782/integrated Del: useless -- https://master.php.net/note/delete/79782/useless Del: bad code -- https://master.php.net/note/delete/79782/bad+code Del: spam -- https://master.php.net/note/delete/79782/spam Del: non-english -- https://master.php.net/note/delete/79782/non-english Del: in docs -- https://master.php.net/note/delete/79782/in+docs Del: other reasons-- https://master.php.net/note/delete/79782 Reject -- https://master.php.net/note/reject/79782 Search -- https://master.php.net/manage/user-notes.php