Version:           unknown (using KDE 3.5.6 "release 25.2" , openSUSE )
Compiler:          Target: i586-suse-linux
OS:                Linux (i686) release 2.6.20-2-default

Sorry, I actually found this issues more times in the past of this bug tracker, but everywhere marked as Solved or Closed:
I have a message here, which I'm not able to forward inline (not as attachment) by KMail with the previously sent attachments included in the forwarded mail.
This mail was sent to me as Bcc:
Here is the header of the original mail given by KMail:
---

Return-Path: 
X-Original-To: some@mail.address
Delivered-To: some@mail.address
Received: from localhost (localhost [127.0.0.1])
	by server.mycompany.com (Postfix) with ESMTP id 4770FED91B;
	Sun, 18 Feb 2007 23:52:18 +0100 (CET)
Received: from server.mycompany.com ([127.0.0.1])
 by localhost (server.mycompany.com [127.0.0.1]) (amavisd-new, port 10024)
 with ESMTP id 14969-04; Sun, 18 Feb 2007 23:52:17 +0100 (CET)
Received: from otherserver.mycompany.com (otherserver.mycompany.com [192.168.20.20])
	by server.mycompany.com (Postfix) with ESMTP id D5AC9ED91A
	for ; Sun, 18 Feb 2007 23:52:16 +0100 (CET)
Received: from smtp.provider.com (smtp.provider.com [212.55.10.10])
	by otherserver.mycompany.com (Spam Firewall) with SMTP id A05D216C6B
	for ; Mon, 19 Feb 2007 01:51:19 +0100 (CET)
Received: (qmail 30634 invoked from network); 18 Feb 2007 22:45:48 -0000
Received: from unknown (HELO ?10.0.1.166?) (my@mail.address@213.74.55.44)
  by someserver.provider.com with ESMTPA; 18 Feb 2007 22:45:48 -0000
X-Seznam-User: my@mail.address
Message-ID: 
Date: Sun, 18 Feb 2007 23:45:47 +0100
From: MyName 
User-Agent: Thunderbird 1.5.0.9 (Windows/20061207)
MIME-Version: 1.0
To: receiver@mail.address
Subject: Some subject
Content-Type: multipart/mixed;
  boundary="------------030702050909080501050502"
X-Virus-Scanned: by amavisd-new at mycompany.com

This is a multi-part message in MIME format.
--------------030702050909080501050502
Content-Type: text/plain; charset=ISO-8859-2; format=flowed
Content-Transfer-Encoding: 8bit

Some message...

--------------030702050909080501050502
Content-Type: image/jpeg;
 name="First_nice_picture.JPG"
Content-Transfer-Encoding: base64
Content-Disposition: inline;
 filename="First_nice_picture.JPG"

/9j/4Sa/RXhpZgAASUkqAAgAAAALAA8BAgAJAAAAkgAAABABAgASAAAAnAAAABIBAwABAAAA
... (First picture, there are some more...)