SPF, Hotmail, and Yahoo mail

Dave Smith dave at thesmithfam.org
Tue Jun 26 21:05:04 MDT 2007


Here's some more information on the subject. I thought I would include 
the messages as they come from "mail" vs. Thunderbird. I'm hoping that 
someone here can spot the difference between the two that might be 
causing hotmail to drop the one sent from Thunderbird. These emails were 
sent to davidsmith at byu.net rather than to any hotmail address so I 
could look at both messages as they are received. I can only assume that 
they looked more or less like this when received by the byu.net MTA. 
Your thoughts would be greatly appreciated.


First, the email sent via the "mail" command:


Return-Path: <dave at thesmithfam.org>
X-Original-To: dave at thesmithfam.org
Delivered-To: dave at thesmithfam.org
Received: from stennis.byu.edu (stennis.byu.edu [128.187.16.58])
	by thesmithfam.org (Postfix) with ESMTP id E89F25C67C
	for <dave at thesmithfam.org>; Tue, 26 Jun 2007 22:56:35 -0400 (EDT)
Received: from thesmithfam.org (thesmithfam.org [66.160.141.49])
	by stennis.byu.edu (8.13.8/8.13.8) with ESMTP id l5R2uQRA004002
	for <davidsmith at byu.net>; Tue, 26 Jun 2007 20:56:26 -0600
Received: by thesmithfam.org (Postfix, from userid 1000)
	id A26E65C67E; Tue, 26 Jun 2007 22:56:25 -0400 (EDT)
To: davidsmith at byu.net
Subject: sent via mail command
Message-Id: <20070627025625.A26E65C67E at thesmithfam.org>
Date: Tue, 26 Jun 2007 22:56:25 -0400 (EDT)
From: dave at thesmithfam.org
X-BYU-MailScanner: Found to be clean
X-BYU-MailScanner-SpamCheck: not spam, SpamAssassin (score=0, required 5,
	autolearn=disabled)
X-MailScanner-From: dave at thesmithfam.org

Testing with mail command




And second the mail sent from Thunderbird:


Return-Path: <dave at thesmithfam.org>
X-Original-To: dave at thesmithfam.org
Delivered-To: dave at thesmithfam.org
Received: from shelby.byu.edu (shelby.byu.edu [128.187.16.57])
	by thesmithfam.org (Postfix) with ESMTP id C9BAA5C67C
	for <dave at thesmithfam.org>; Tue, 26 Jun 2007 22:56:51 -0400 (EDT)
Received: from thesmithfam.org (thesmithfam.org [66.160.141.49])
	by shelby.byu.edu (8.13.8/8.13.8) with ESMTP id l5R2ugkL028303
	for <davidsmith at byu.net>; Tue, 26 Jun 2007 20:56:42 -0600
Received: from [10.0.0.5] (djsmith.dsl.xmission.com [166.70.81.42])
	by thesmithfam.org (Postfix) with ESMTP id B1D7A5C67C
	for <davidsmith at byu.net>; Tue, 26 Jun 2007 22:56:41 -0400 (EDT)
Message-ID: <4681D2A6.9030603 at thesmithfam.org>
Date: Tue, 26 Jun 2007 20:59:50 -0600
From: Dave Smith <dave at thesmithfam.org>
User-Agent: Thunderbird 2.0.0.4 (Windows/20070604)
MIME-Version: 1.0
To: davidsmith at byu.net
Subject: sent via thunderbird
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-BYU-MailScanner: Found to be clean
X-BYU-MailScanner-SpamCheck: not spam, SpamAssassin (score=0, required 5,
	autolearn=disabled)
X-MailScanner-From: dave at thesmithfam.org

Testing via thunderbird




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