10.4.4 Update #13 - postfix trouble

[DV_new]

I have a domain WITHOUT mail service in my primary webspace


if i sent a mail with php mail function on this domain i receive a copy of this email ( as BCC mail ! )



Return-Path: <[email protected]>
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: by xxxxxx.ext (Postfix, from userid 783)
id 27CB16A1852; Wed, 25 Jan 2012 13:00:29 +0100 (CET)
X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on xxxxxxxxxx
X-Spam-Level: *
X-Spam-Status: No, score=1.8 required=5.0 tests=AWL,HTML_MESSAGE,
HTML_MIME_NO_HTML_TAG,MIME_HTML_ONLY autolearn=no version=3.2.5
Received: from PRIMARYWEBSPACE.EXT (PRIMARYWEBSPACE.EXT [xxxxxxxxxxx])
by xxxxxx.ext (Postfix) with ESMTPS id 9053C6A1842;
Wed, 25 Jan 2012 13:00:27 +0100 (CET)
Received: by PRIMARYWEBSPACE.EXT (Postfix, from userid 33)
id AF43F16E24DF; Wed, 25 Jan 2012 13:00:28 +0100 (CET)
To: [email protected]
Subject: text subject
From: [email protected]





1) Why postfix add: return-path header ? X-Orginal-to: ?

2) postconf result in attached at this message

3) how can disable this BCC ?!?!?