Pak Syafril,
Sebelumnya sy pernah tanya tentang "duplicate email", jadi user terima email 
double, sedangkan pihak sender, hanya mengirim 1x. dan berikut header dari 2 
email tsb. 

Header email 1 :
X-MDAV-Processed: new_narnia.clipan.co.id, Mon, 04 Jul 2011 12:31:28 +0700
Return-path: <[email protected]>
Received: from ACERLMP09 ([10.0.8.9])
        by new_narnia.clipan.co.id (new_narnia.clipan.co.id)
        (MDaemon PRO v11.0.3)
        with ESMTP id md50000742485.msg
        for <[email protected]>; Mon, 04 Jul 2011 12:31:27 +0700
X-Spam-Processed: new_narnia.clipan.co.id, Mon, 04 Jul 2011 12:31:27 +0700
        (not processed: message size (1181228) exceeds spam filter configured 
max size of (102400))
X-Rcpt-To: [email protected]
X-MDRcpt-To: [email protected]
X-MDRemoteIP: 10.0.8.9
X-Return-Path: [email protected]
X-Envelope-From: [email protected]
X-MDaemon-Deliver-To: [email protected]
Message-ID: <[email protected]>
From: "fax lmp" <[email protected]>
To: "Regina" <[email protected]>
Subject: PAYMENT AZHARI
Date: Mon, 4 Jul 2011 12:29:26 +0700
MIME-Version: 1.0
Content-Type: multipart/mixed;
        boundary="----=_NextPart_000_0001_01CC3A46.03148560"
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2900.5512
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5512


HEADER EMAIL 2
X-MDAV-Processed: new_narnia.clipan.co.id, Mon, 04 Jul 2011 12:32:13 +0700
Return-path: <[email protected]>
Received: from ACERLMP09 ([10.0.8.9])
        by new_narnia.clipan.co.id (new_narnia.clipan.co.id)
        (MDaemon PRO v11.0.3)
        with ESMTP id md50000742487.msg
        for <[email protected]>; Mon, 04 Jul 2011 12:32:12 +0700
X-Spam-Processed: new_narnia.clipan.co.id, Mon, 04 Jul 2011 12:32:12 +0700
        (not processed: message size (1181228) exceeds spam filter configured 
max size of (102400))
X-Rcpt-To: [email protected]
X-MDRcpt-To: [email protected]
X-MDRemoteIP: 10.0.8.9
X-Return-Path: [email protected]
X-Envelope-From: [email protected]
X-MDaemon-Deliver-To: [email protected]
Message-ID: <[email protected]>
From: "fax lmp" <[email protected]>
To: "Regina" <[email protected]>
Subject: PAYMENT AZHARI
Date: Mon, 4 Jul 2011 12:29:26 +0700
MIME-Version: 1.0
Content-Type: multipart/mixed;
        boundary="----=_NextPart_000_0001_01CC3A46.03148560"
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2900.5512
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5512


Thanks.



Berikut saya kirimkan header


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