From 3c5d2328daf31077c640931314cf9e30185e6a1e Mon Sep 17 00:00:00 2001
From: Thom Pol <>
Date: Thu, 11 Mar 2021 15:41:17 +0100
Subject: [PATCH] Fix critical error with new custom Postfix config

---
 install/lib/installer_base.lib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/install/lib/installer_base.lib.php b/install/lib/installer_base.lib.php
index 6302571cf9..6de768f7e5 100644
--- a/install/lib/installer_base.lib.php
+++ b/install/lib/installer_base.lib.php
@@ -1177,7 +1177,7 @@ class installer_base {
 		}
 		$configfile = 'postfix_custom.conf';
 		if(file_exists($conf['ispconfig_install_dir'].'/server/conf-custom/install/' . $configfile . '.master')) {
-			$content = rfsel($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$configfile.'.master');
+			$content = file_get_contents($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$configfile.'.master');
 			$content = strtr($content, $postconf_placeholders);
 			$postconf_commands = array_merge($postconf_commands, array_filter(explode("\n", $content)));
 		}
-- 
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