Relay error sending to Exchange 2007 1

[jebenson]

Hello all,

I am setting up a new Exchange 2007 server at my work, to replace our current Lotus Domino system.

I have one server with the Hub Transport, Client Access and Mailbox server roles, and an Edge Transport Server in the perimeter. I can send email out with no problems. I have tested sending mail to the domain using GMail and Netscape (AOL) webmail, and those emails have gone through with no problems. However, when I try from my home account, the email is returned with a '550 5.7.1 Unable to relay' error. My home email is through AT&T, so the server is in the yahoo.com domain.

Here's the entire error:

Hi. This is the qmail-send program at yahoo.com.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.

<valid.email@address.is.good>:
xxx.xxx.xxx.xxx does not like recipient.
Remote host said: 550 5.7.1 Unable to relay
Giving up on xxx.xxx.xxx.xxx.

--- Below this line is a copy of the message.

Return-Path: <my@home.email>
Received: (qmail 58727 invoked from network); 28 Aug 2009 00:15:17 -0000
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
  s=s1024; d=swbell.net;
  h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:Date:From:User-Agent:MIME-Version:To:Subject:Content-Type:Content-Transfer-Encoding;
  b=rGQMb17Bxk0BB6ya7GGpWbv3IaB91C3EUnx4BG++cPklYEkcaelFpgAFqlW3LAJTmrjWlfudHxmr+VePSvEb1GrgGzjAQjZwa7oBkTfILEVOt0eeex1L/1JPtOwUGpV8PDfwTyofQ+jqsL8jUeP3QKF4Y9sQoN5AHu/nDhECN24=  ;
Received: from unknown (HELO ?192.168.1.156?) (myemail@server's.ip with plain)
  by smtp101.sbc.mail.mud.yahoo.com with SMTP; 28 Aug 2009 00:15:17 -0000
X-YMail-OSG: v4OO0XgVM1lH.8V7ZT9rgny3i9Xb6YTsgQ5C6NI5GY2OdzvsoUbp3hv2ihzKAVMIDDFmXsixOaGPe4e4dT3Y3thx5ezD5MaMATeqi7fz1GRZ_LluhFAvyULseXMRyVU7DENpL9kitBDo1IGu9E54HUZWUOEpKce9edVjjpAe3xpEca.CpPkZtf2zozEZAdx9CTnTCJf1eXSqROFoQeOPlKoVk6hVa38D017azeJxWw5.JsOkujpj3AusbRJBYqy16U4-
X-Yahoo-Newman-Property: ymail-3
Message-ID: <4A973D9E.4080608@swbell.net>
Date: Thu, 27 Aug 2009 19:14:54 -0700
From: my@home.email
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.22) Gecko/20090605 SeaMonkey/1.1.17
MIME-Version: 1.0
To: valid.email@address.is.good
Subject: test
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit

test

Any ideas why I can send email to my Exchange server with no problem from GMail and Netscape Mail, but get this error from AT&T/Yahoo?

Thanks,
JEB




I used to rock and roll every night and party every day. Then it was every other day. Now I'm lucky if I can find 30 minutes a week in which to get funky. - Homer Simpson

Arrrr, mateys! Ye needs ta be preparin' yerselves fer Talk Like a Pirate Day!

 

[Zelandakh]

From your home, telnet to the 2007 server on port 25.

helo server.com
mail from: <your legitimate home email address>
rcpt to: <your legitimate work email address>
DATA
Subject: Test from home email
This is a test
.

From your home, telnet to the 2007 server on port 25.

helo server.com
mail from: test@microsoft.com
rcpt to: <your legitimate work email address>
DATA
Subject: Test from fake email
This is a test
.

What happens? Does 1 get through and 1 fail?

 

[jebenson]

One question:

Am I supposed to use "server.com" in the helo, or do I use my ATT/Yahoo server, or some other?



I used to rock and roll every night and party every day. Then it was every other day. Now I'm lucky if I can find 30 minutes a week in which to get funky. - Homer Simpson

Arrrr, mateys! Ye needs ta be preparin' yerselves fer Talk Like a Pirate Day!

 

[Zelandakh]

Anything you like. Server.com itself is entirely fine.

 

[jebenson]

Thanks for the help. This problem was caused by an error in the DNS records for the server. Once I corrected the DNS records, I can receive emails from the failing addresses now.



I used to rock and roll every night and party every day. Then it was every other day. Now I'm lucky if I can find 30 minutes a week in which to get funky. - Homer Simpson

Arrrr, mateys! Ye needs ta be preparin' yerselves fer Talk Like a Pirate Day!

 

[Zelandakh]

Fab. Thanks for letting us know and thanks muchly for the little purple star