Unable to recieve mail

Hi all,

I'm sure ther is a simple solution for this, I've missed something but can't figure out what it is...

I've just setup Exchange 2007 onto a Server 2008 box and configured. I can send email but can't recieve... Here is what I have configured;

mx record created for mail.xxx.com forwarded to 111.222.333.444
Port 25 opened on firewall/router and pointed to exchange server
Recieve connector setup to recieve mail for mail.xxx.com

I can telnet to mail.xxx.com 25

I have attached the error I get back
Delivery has failed to these recipients or groups:

reception@xxx.com
A problem occurred during the delivery of this message to this e-mail address. Try sending this message again. If the problem continues, please contact your helpdesk.



The following organization rejected your message: [111.222.333.444].







Diagnostic information for administrators:

Generating server: ipmail05.adl6.internode.on.net

reception@xxx.com
[111.222.333.444] #<[111.222.333.444] #5.0.0 smtp; 5.1.0 - Unknown address error 530-'5.7.1 Client was not authenticated' (delivery attempts: 0)> #SMTP#

Original message headers:

X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: ApwEAKzomk07p3qf/2dsb2JhbACCYaN/wkWFawQ
Received: from ppp59-167-122-159.static.internode.on.net (HELO
 mail.externaladdress.com.au) ([111.myexternaladdressip.444])  by ipmail05.adl6.internode.on.net
 with ESMTP; 05 Apr 2011 19:34:31 +0930
Received: from myinternalexchangeserver.local ([fe80::8dce:3948:e8c5:9361]) by
 myinternalexchangeserverusedtotestemail.local ([fe80::8dce:3948:e8c5:9361%15]) with mapi; Tue, 5 Apr
 2011 20:05:11 +1000
From: Tim Mcpherson <tmcpherson@mydomainusedtotest.com.au>
To: "reception@xxx.com"
	<reception@xxx.com>
Subject: RE: test send 2
Thread-Topic: test send 2
Thread-Index: AcvzdjRghJ9yigcIR/Wv5Dq92ij+9QAAp2Ag
Date: Tue, 5 Apr 2011 10:04:24 +0000
Message-ID: <49560693EB2EAA409EDAB7D31BBA74E4455B4621@myinternalexchangeserverusedtotestemail.local >
References: <49560693EB2EAA409EDAB7D31BBA74E4455B45F9@myinternalexchangeserverusedtotestemail.local >
In-Reply-To: <49560693EB2EAA409EDAB7D31BBA74E4455B45F9@myinternalexchangeserverusedtotestemail.local >
Accept-Language: en-AU, en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
Content-Type: multipart/alternative;
	boundary="_000_49560693EB2EAA409EDAB7D31BBA74E4455B462"
MIME-Version: 1.0

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TimbobalobaAsked:
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arsaifCommented:
You need to adjust the properties of the Default Receive Connector to allow anonymous access.

http://technet.microsoft.com/en-us/library/bb738138.aspx

Hope that helps.
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TimbobalobaAuthor Commented:
OMG, a tick box?! I actually did know that too which is the worse thing! thanks a bunch.
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