feature: Added support Postfix application

html/includes/graphs/application/postfix_deferral.inc.php

@@ -0,0 +1,36 @@
+<?php
+$name = 'postfix';
+$app_id = $app['app_id'];
+$scale_min     = 0;
+$colours       = 'mixed';
+$unit_text     = 'Deferals';
+$unitlen       = 13;
+$bigdescrlen   = 13;
+$smalldescrlen = 13;
+$dostack       = 0;
+$printtotal    = 0;
+$addarea       = 1;
+$transparency  = 15;
+
+$rrd_filename = rrd_name($device['hostname'], array('app', $name, $app_id));
+
+if (is_file($rrd_filename)) {
+    $rrd_list = array(
+        array(
+            'filename' => $rrd_filename,
+            'descr'    => 'Conn. Refused',
+            'ds'       => 'deferralcr',
+            'colour'   => '582A72'
+        ),
+        array(
+            'filename' => $rrd_filename,
+            'descr'    => 'Host Is Down',
+            'ds'       => 'deferralhid',
+            'colour'   => '88CC88'
+        )
+    );
+} else {
+    echo "file missing: $rrd_filename";
+}
+
+require 'includes/graphs/generic_multi_line_exact_numbers.inc.php';