PHP mail ends up in Outlook Junk Folder?

[ablair]

I have a mail PHP mail script set up to send email to me when a user completes a from on my web site. The problem I'm having is that if the mail is sent to an address on my domain it ends up in Outlook's "Junk-mail" folder. However if I send it to another adress not on my domain it works fine.

My site is www.jcsqld.net . Sending to [e-mail] or [e-mail] ends up in the junk-mail. [e-mail] works fine.

The following are the received headers for both.

Ends up in JUNK

X-ClientAddr: 127.0.0.1
Received: from jcsqld.net (localhost.localdomain [127.0.0.1])
by srv01.orpbus.com (8.12.10/8.12.10) with ESMTP id k1BMRbJd023785
for <[e-mail]>; Sun, 12 Feb 2006 09:27:37 +1100
Received: (from jcsqld@localhost)
by jcsqld.net (8.12.10/8.12.10/Submit) id k1BMRbWF023783;
Sun, 12 Feb 2006 09:27:37 +1100
Date: Sun, 12 Feb 2006 09:27:37 +1100
X-Authentication-Warning: srv01.orpbus.com: jcsqld set sender to [e-mail] using -f
To: [e-mail]
Subject: Jim's computer services test message
MIME-Version: 1.0
From: Alan Blair <[e-mail]>
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: 7bit
Message-ID: < [e-mail] >
X-orpbus.com-MailScanner-Information: Please contact the ISP for more information
X-orpbus.com-MailScanner: Found to be clean
X-MailScanner-From: [e-mail]

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Ends un in In-Box

X-Original-To: [e-mail]
Delivered-To: [e-mail]
Received: from srv01.orpbus.com (orpbus.com [67.15.58.19])
by smtp.kooee.com.au (Postfix) with ESMTP id 69A33168732
for <[e-mail]>; Sun, 12 Feb 2006 09:23:58 +1100 (EST)
X-ClientAddr: 127.0.0.1
Received: from jcsqld.net (localhost.localdomain [127.0.0.1])
by srv01.orpbus.com (8.12.10/8.12.10) with ESMTP id k1BMNoJd022771
for <[e-mail]>; Sun, 12 Feb 2006 09:23:50 +1100
Received: (from jcsqld@localhost)
by jcsqld.net (8.12.10/8.12.10/Submit) id k1BMNoLM022769;
Sun, 12 Feb 2006 09:23:50 +1100
Date: Sun, 12 Feb 2006 09:23:50 +1100
X-Authentication-Warning: srv01.orpbus.com: jcsqld set sender to [e-mail] using -f
To: [e-mail]
Subject: Jim's computer services test message
MIME-Version: 1.0
From: Alan Blair <[e-mail]>
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: 7bit
Message-ID: < [e-mail] >
X-orpbus.com-MailScanner-Information: Please contact the ISP for more information
X-orpbus.com-MailScanner: Found to be clean
X-MailScanner-From: [e-mail]

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Any Ideas?