From 0f3764e59223d8e9c87f30ce85425c00422ff25d Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Tue, 27 Apr 2010 09:01:12 -0400
Subject: [PATCH] - add DNS checking code for Windows & PHP<5.3.0
---
program/include/main.inc | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/program/include/main.inc b/program/include/main.inc
index 535fde1..004212f 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -1588,8 +1588,15 @@
if (!$dns_check || !rcmail::get_instance()->config->get('email_dns_check'))
return true;
- if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN' && version_compare(PHP_VERSION, '5.3.0', '<'))
- 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 (getmxrr($domain_part, $mx_records))
--
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