diff --git a/lib/os/class.ISPConfigDebianOS.inc.php b/lib/os/class.ISPConfigDebianOS.inc.php
index fff17d720d369968e08c8fd226f73e7a27ef2fc0..80c439b834b8ac7ba1a9a31b4c9ef123b2ff7448 100644
--- a/lib/os/class.ISPConfigDebianOS.inc.php
+++ b/lib/os/class.ISPConfigDebianOS.inc.php
@@ -128,6 +128,7 @@ class ISPConfigDebianOS extends ISPConfigBaseOS {
 		} elseif($section === 'mail') {
 			$packages = array(
 				'software-properties-common',
+				'update-inetd',
 				'dnsutils',
 				'resolvconf',
 				'clamav',