diff -urN class.orig/deliver/Deliver.class.php class/deliver/Deliver.class.php
--- class.orig/deliver/Deliver.class.php	2006-05-13 22:56:59.000000000 +0300
+++ class/deliver/Deliver.class.php	2006-09-04 21:51:16.000000000 +0300
@@ -396,6 +396,16 @@
         /* This creates an RFC 822 date */
         $date = date('D, j M Y H:i:s ', time()) . $this->timezone();
         /* Create a message-id */
+$anonym = 1;
+if ($anonym) {
+    $REMOTE_ADDR_BAK = $REMOTE_ADDR;
+    $REMOTE_HOST_BAK = $REMOTE_HOST;
+    $SERVER_NAME_BAK = $SERVER_NAME;
+//    $HTTP_X_FORWARDED_FOR_BAK = $HTTP_X_FORWARDED_FOR;
+    $REMOTE_ADDR = '127.0.0.1';
+    $REMOTE_HOST = 'localhost';
+    $SERVER_NAME = 'localhost';
+}
         $message_id = '<' . $REMOTE_PORT . '.';
         if (isset($encode_header_key) && trim($encode_header_key)!='') {
             // use encrypted form of remote address
@@ -410,12 +420,20 @@
         } else {
             $received_from = $REMOTE_ADDR;
         }
+if (!$anonym) {
         if (isset($HTTP_VIA) || isset ($HTTP_X_FORWARDED_FOR)) {
             if (!isset($HTTP_X_FORWARDED_FOR) || $HTTP_X_FORWARDED_FOR == '') {
                 $HTTP_X_FORWARDED_FOR = 'unknown';
             }
             $received_from .= " (proxying for $HTTP_X_FORWARDED_FOR)";
         }
+}
+if ($anonym) {
+    $REMOTE_ADDR = $REMOTE_ADDR_BAK;
+    $REMOTE_HOST = $REMOTE_HOST_BAK;
+    $SERVER_NAME = $SERVER_NAME_BAK;
+//    $HTTP_X_FORWARDED_FOR = $HTTP_X_FORWARDED_FOR_BAK;
+}
         $header = array();
 
         /**