New Mac OS X Server setup, when i send mail to gmail it goes straight to Spam. Why is that?

New Mac OS X Server setup, when i send mail to gmail it
goes straight to Spam. Why is that?

My
setup:
DNS - done (A records PTR are ok)
Mail Setup -
done
Webmail - done

Also there seems
to be a naming problem. They all come from me@server.domain.com instead of
me@domain.com. I must be missing an alias
somewhere.

I've read an entire book on setting
this up so don't throw stones :)

The GUI is masking a lot of this
up for me, so explanations via GUI are
appreciated.

/>

The headers look like
this:

Delivered-To:
MYACCOUNT@gmail.com

Received: by 10.142.252.19
with SMTP id
z19cs476033wfh;

 Mon, 3
            Jan 2011 01:37:09 -0800
            (PST)

Received: by
10.204.64.208 with SMTP id
f16mr8853543bki.61.1294047428115;

            Mon, 03 Jan 2011 01:37:08 -0800
            (PST)

Return-Path:

Received: from server.DOMAIN.com
([94.x.x.x])

 by mx.google.com
            with ESMTP id c20si50831332bkc.48.2011.01.03.01.37.07;

 Mon, 03 Jan
            2011 01:37:07 -0800
            (PST)

Received-SPF:
neutral (google.com: 94.x.x.x is neither permitted nor denied by best guess record for
domain of USER@www.DOMAIN.com)
client-ip=94.x.x.x;

Authentication-Results:
mx.google.com; spf=neutral (google.com: 94.x.x.x is neither permitted nor denied by best
guess record for domain of USER@www.DOMAIN.com)
smtp.mail=USER@www.DOMAIN.com

Received:
from localhost (localhost
[127.0.0.1])

by server.DOMAIN.com
            (Postfix) with ESMTP id 0A19F60508;

Mon, 3 Jan 2011 11:37:07 +0200
            (EET)

X-Virus-Scanned:
amavisd-new at DOMAIN.com

Received:
from server.DOMAIN.com
([127.0.0.1])

by localhost
            (server.DOMAIN.com [127.0.0.1]) (amavisd-new, port 10024)

with
            ESMTP id mNgNTNwNhyP1; Mon, 3 Jan 2011 11:37:06 +0200
            (EET)

Received: from
www.DOMAIN.com (localhost
[127.0.0.1])

by server.DOMAIN.com
            (Postfix) with ESMTP id 57E69604F1;


Mon, 3 Jan 2011
            11:37:06 +0200
            (EET)

Received: from
10.0.1.3

 (SquirrelMail
            authenticated user USER)

 by www.DOMAIN.com with
            HTTP;


 Mon, 3 Jan 2011 11:37:06
            +0200

Message-ID:

Date: Mon, 3 Jan 2011 11:37:06
+0200

Subject:
test

From:
USER@www.DOMAIN.com

To:
MYACCOUNT@gmail.com

User-Agent:
SquirrelMail/1.4.20

MIME-Version:
1.0

Content-Type:
text/plain;charset=iso-8859-1

Content-Transfer-Encoding:
8bit

X-Priority: 3
(Normal)

Importance:
Normal

test