how to allow mobile user to send email with getting blocked

[Harondel J. Sibble]

these are the headers of a bcc'd message sent from a phone (obfuscated)

Return-Path: <myusername at mytld.com>
X-Original-To: archival at mytld.com
Delivered-To: myusername at hostname.mailservertld.com
Received: from [10.xxx.xxx.xxx] (unknown [xxx.xxx.xxx.xxx])
	(using TLSv1 with cipher RC4-MD5 (128/128 bits))
	(No client certificate requested)
	(Authenticated sender: myusername)
	by hostname.mailservertld.com (Postfix) with ESMTP id E0A421A2C;
	Mon, 20 Jun 2011 11:55:35 -0700 (PDT)
User-Agent: K-9 Mail for Android
MIME-Version: 1.0
Content-Type: text/plain;
 charset=UTF-8
Content-Transfer-Encoding: 8bit
Subject: Test 2 
From: "This is my user" <myusername at mytld.com>
Date: Mon, 20 Jun 2011 11:54:25 -0700
To: **************@gmail.com
Message-ID: <33e95b7f-adb2-4718-9158-42fd4e4e0242 at email.android.com>
X-PM-PLACEHOLDER:       




On 20 Jun 2011 at 12:02, Harondel J. Sibble wrote:

> I'm obviously missing something as per my last email, where after 
> implementing this change, emails from mobile devices are still getting 
> squashed, eg
> 
> SpamAssassin Score:	7.11
> Spam Report:	
>  Score	Matching Rule	Description	cached	 
>  score=7.113	 
> 4	required	 
> -2.60	BAYES_00	Bayesian spam probability is 0 to 1%
> 2.00	KHOP_DNSBL_BUMP	 
> 1.70	RCVD_IN_HOSTKARMA_BL	 
> 2.00	RCVD_IN_MSPIKE_BL	 
> 0.01	RCVD_IN_MSPIKE_L3	 
> 0.25	RCVD_IN_NIX_SPAM	 
> 0.62	RCVD_IN_SORBS_WEB	SORBS: sender is a abuseable web server
> 3.03	RCVD_IN_XBL	Received via a relay in Spamhaus XBL
> 0.10	RDNS_NONE	Delivered to trusted network by a host with no rDNS
> 
> On 20 Jun 2011 at 12:18, Alex Neuman wrote:
> 
> > That's the beauty of my solution. It doesn't require you to change the
> > e-mail headers on the client - it does so at the server the moment you
> > authenticate.
> 
> -- 
> Harondel J. Sibble 
> Sibble Computer Consulting
> Creating Solutions for the small and medium business computer user.
> help at pdscc.com (use pgp keyid 0x3AD5C11D) http://www.pdscc.com
> Blog: http://www.pdscc.com/blog
> (604) 739-3709 (voice)
> 
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-- 
Harondel J. Sibble 
Sibble Computer Consulting
Creating Solutions for the small and medium business computer user.
help at pdscc.com (use pgp keyid 0x3AD5C11D) http://www.pdscc.com
Blog: http://www.pdscc.com/blog
(604) 739-3709 (voice)