Remove code for PHP<5.3, use PHP_VERSION_ID instead of version_compare() fo...

Aleksander Machniak

2014-08-24 75bbada03b0e616248ec3458d1a6ee98bfc03659

 program/lib/Roundcube/rcube_utils.php

@@ -119,17 +119,6 @@
                return true;
            }

            if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN' && version_compare(PHP_VERSION, '5.3.0', '<')) {
                $lookup = array();
                @exec("nslookup -type=MX " . escapeshellarg($domain_part) . " 2>&1", $lookup);
                foreach ($lookup as $line) {
                    if (strpos($line, 'MX preference')) {
                        return true;
                    }
                }
                return false;
            }

            // find MX record(s)
            if (!function_exists('getmxrr') || getmxrr($domain_part, $mx_records)) {
                return true;