Hi
I have got my server up and running but some of my sent mail is getting marked as junk by hotmail gmail etc.
I think I have setup rDNS ok and a SPF record.
Am I missing something else ?
Heres a header. Names changed to protect the innocent

Can anyspot anything suspect?
X-Message-Delivery: Vj0xLjE7dXM9MDtsPTA7YT0wO0Q9MjtTQ0w9NA==
X-Message-Status: n:0
X-SID-PRA: Ian test
X-AUTH-Result: NONE
X-Message-Info: 6sSXyD95QpXXTkn9ll/u+fz3Xh+s2s4tCh6DsUwbkw8Wm5zHavXQwqBq5+JTeow4nFYkJ 5/MVWCMplV2TrhKNqpKMPdnJiPt
Received: from mailhost.testsite.co.uk ([80.229.16.48]) by SNT0-MC3-F36.Snt0.hotmail.com with Microsoft SMTPSVC(6.0.3790.3959);
Fri, 23 Apr 2010 03:14:10 -0700
Received: from localhost (localhost [127.0.0.1])
by mailhost.testsite.co.uk (Postfix) with ESMTP id E5CEA58B5
for ; Fri, 23 Apr 2010 11:15:45 +0100 (BST)
X-Virus-Scanned: amavisd-new at testsite.co.uk
Received: from mailhost.testsite.co.uk ([127.0.0.1])
by localhost (mailhost.testsite.co.uk [127.0.0.1]) (amavisd-new, port 10024)
with ESMTP id anxZ4JQTWCqs for ;
Fri, 23 Apr 2010 11:15:45 +0100 (BST)
Received: from mailhost.testsite.co.uk (mailhost.testsite.co.uk [192.168.0.69])
by mailhost.testsite.co.uk (Postfix) with ESMTP id 4923B5A93
for ; Fri, 23 Apr 2010 11:15:45 +0100 (BST)
Date: Fri, 23 Apr 2010 11:15:45 +0100 (BST)
From: "Ian test"
To: i
Message-ID: <3321496.161272017644712.JavaMail.SYSTEM@Artois>
Subject: want the header
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
X-Originating-IP: [84.92.229.149]
X-Mailer: Zimbra 6.0.5_GA_2213.F11 (Zimbra Desktop/1.0.4_1833_Windows)
Return-Path: ian@testsite.co.uk
X-OriginalArrivalTime: 23 Apr 2010 10:14:10.0399 (UTC) FILETIME=[B73EA6F0:01CAE2CD]
Cheers for any advice