Delivery has failed to these recipients or distribution lists

I am getting this from my exchange 2007 server
From: Microsoft Exchange 
Sent: Tuesday, April 20, 2010 2:11 PM
To: Jackie
Subject: Undeliverable: RE: Payment


Delivery has failed to these recipients or distribution lists:

Polasek, Rhonda L Civ USAF AFSVA AFSVA/SVFAF <mailto:xxxxxxx.xxxxxxxx@xxxxxxx.AF.MIL> 
Your message wasn't delivered because of security policies. Microsoft Exchange will not try to redeliver this message for you. Please provide the following diagnostic text to your system administrator.

The following organization rejected your message: rnd-sf-05.xxxxxxxx.af.mil.

  _____  

Sent by Microsoft Exchange Server 2007 







Diagnostic information for administrators:

Generating server: XXXXXXXXXX.xxxxxxxxxx.local

xxxxxxx.xxxxxx@xxxxxxxxx.AF.MIL
rnd-sf-05.xxxxxxxx.af.mil #550 5.7.1 Access denied ##

Original message headers:

Received: from xxxxxxxx.xxxxxxxxx.local ([fe80::5968:1008:cd2:2db6]) by
 xxxxxxx.xxxxxxxxx.local ([fe80::5968:1008:cd2:2db6%10]) with mapi;
 Tue, 20 Apr 2010 14:10:55 -0400
From: Jackie <jackie@xxxxxxxxxxxxxx.com>
To: "xxxxxxx, xxxxxx L Civ USAF AFSVA AFSVA/SVFAF"
	<xxxxx.xxxxxx@xxxxxxxx.AF.MIL>
CC: Stuart xxxxxxxxx <Stuart@xxxxxxxxxxxxxx.com>
Date: Tue, 20 Apr 2010 14:10:53 -0400
Subject: RE: Payment
Thread-Topic: Payment
Thread-Index: AcrgrWa2Z9UPdyjRTLieDVH6q/zWYwAB1roQ
Message-ID: <884A506C83EC364BBA975DF7CD9834172744429B@xxxxxxxxxxxx.xxxxxxxxxx.local>
References: <E07EB44B16745A4EA871F958705F2BE804A3261F@RNDEXCHML006.randolph.aetc.ds.af.mil>
In-Reply-To: <E07EB44B16745A4EA871F958705F2BE804A3261F@RNDEXCHML006.randolph.aetc.ds.af.mil>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
acceptlanguage: en-US
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0

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mfriederAsked:
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shauncroucherCommented:
Check your IP is not blacklisted. mxtoolbox.com --> blacklists

If it is, find out why - authenticated relay / open relay or an infected PC. Then remove from blacklist.

Also make sure you have a rDNS entry for your IP address if you are using DNS to send mail directly.

Shaun
Khurram Ullah KhanCommented:
rnd-sf-05.xxxxxxxx.af.mil domain has rejected your message, might be it is treating this message as SPAM. try to send a different message and see if it is sending. if other message sent successfully then there might be some contents in your message which is treating as SPAM by this domain. if you recieve the same NDR for the new message then your Public IP or domain might blacklisted on this domain.
mfriederAuthor Commented:
per DNSSTUFF.COM i am not listed on any black list. I have sent a number of mails and same resolt only to this there server
shauncroucherCommented:
If you are not on any blacklists, check your rDNS:

See my article for outgoing mail requirements: http://exchangeshell.wordpress.com/2010/03/12/exchange-send-connector-ehlo-and-dns-data-rdns-ptr-mx-spf-txt-a-record

Pay attention to rDNS which I cover here - http://exchangeshell.wordpress.com/2009/08/11/setting-up-a-rdns-ptr-record-for-your-mail-server

Shaun

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