- support dynamic hostname variables in config

installer/rcube_install.php

@@ -466,7 +466,7 @@ class rcube_install
     
     foreach ($default_hosts as $key => $name) {
       if (!empty($name))
-        $out[] = is_numeric($key) ? $name : $key;
+        $out[] = rcube_parse_host(is_numeric($key) ? $name : $key);
     }
     
     return $out;

installer/test.php

@@ -214,7 +214,7 @@ if ($db_working) {
 <h3>Test SMTP config</h3>
 
 <p>
-Server: <?php echo $RCI->getprop('smtp_server', 'PHP mail()'); ?><br />
+Server: <?php echo rcube_parse_host($RCI->getprop('smtp_server', 'PHP mail()')); ?><br />
 Port: <?php echo $RCI->getprop('smtp_port'); ?><br />
 
 <?php