--- php-5.4.6/ext/standard/mail.c.o	2012-09-26 17:30:48.994617098 +0200
+++ php-5.4.6/ext/standard/mail.c	2012-09-26 17:42:45.583650915 +0200
@@ -280,6 +280,17 @@
 		}
 		efree(f);
 	}
+	{ // Add X-PHP-URI header.
+		const char* tmp = php_apache_getenv("SCRIPT_URI");
+		char *hdr2;
+		if (hdr)
+			spprintf(&hdr2, 0, "X-PHP-URI: %s\n%s", tmp, hdr);
+		else
+			spprintf(&hdr2, 0, "X-PHP-URI: %s\n", tmp);
+		if (hdr != headers)
+			efree(hdr);
+		hdr = hdr2;
+	}
 
 	if (!sendmail_path) {
 #if (defined PHP_WIN32 || defined NETWARE)