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How to forward mail to another smtp-server if the recipient is not found locally but has the same domain name

Hi

Our setup:
We have a internet domainname at our webhosting provider: ourdomain.com
Our local domain is also called ourdomain.com
All external mails are delivered to our provider and are downloaded to our Exchange via gfi mailessentials.
All our employees & external representatives have a mailadress name@ourdomain.com.
Our external representatives work at home and download the mail from our provider.

Our problem:
We can send internal mails to name@ourdomain.com and external mails to name@anydomain.com without a problem.
But if we send a mail to our representatives (representative@ourdomain.com) we get a non delivery message from our exchange-server: #550 5.1.1 RESOLVER.ADR.RecipNotFound; not found ##

Untill last week we used Exchange 2003 without a problem. There was a setting to route mail for unknown recipients to the smtp-server of our provider.

Attached my non delivery message (in Dutch)
Uw bericht kan niet worden bezorgd bij de volgende personen of distributielijsten:
 
'representative@ourdomain.com'
Dit e-mailadres van de geadresseerde is niet gevonden in het e-mailsysteem van de geadresseerde. Microsoft Exchange probeert dit bericht niet opnieuw te verzenden. Controleer het e-mailadres van de geadresseerde en probeer dit bericht nog eens te versturen of geef de volgende diagnosetekst door aan uw systeembeheerder.
 
  _____  
 
Verzonden door Microsoft Exchange Server 2007 
 
Diagnostische gegevens voor beheerders:
 
Bronserver: ourExchangeServer.ourdomain.com
 
representative@ourdomain.com
#550 5.1.1 RESOLVER.ADR.RecipNotFound; not found ##
 
Oorspronkelijke berichtkoppen:
 
Received: from ourExchangeServer.ourdomain.com ([192.168.0.110]) by ourExchangeServer.ourdomain.com
 ([192.168.0.110]) with mapi; Sun, 18 Nov 2007 23:28:13 +0100
Content-Type: application/ms-tnef; name="winmail.dat"
Content-Transfer-Encoding: binary
From: Youri Aerts <youri@ourdomain.com>
To: "'representative@ourdomain.com'" <representative@ourdomain.com>
Date: Sun, 18 Nov 2007 23:28:12 +0100
Subject: test
Thread-Topic: test
Thread-Index: AcgqMk3ORZAPYm7oSSiO6mW1UxDnow==
Message-ID: <A496EFD26E426C478D3D4BEF4778AB6D028EE7106752@ourExchangeServer.ourdomain.com>
Accept-Language: nl-NL, en-US
Content-Language: nl-NL
X-MS-Has-Attach:
X-MS-TNEF-Correlator: <A496EFD26E426C478D3D4BEF4778AB6D028EE7106752@ourExchangeServer.ourdomain.com>
MIME-Version: 1.0

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CompuFit
Asked:
CompuFit
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1 Solution
 
CompuFitAuthor Commented:
Hi
I already read this, but don't ounderstand what to add to the accepted domains.
I already have 1 item here: ourdomain.com type: Authorative.

Shoul I add our smtp server from our provider? (relay.provider.com)

Thanks
Youri
0
 
CompuFitAuthor Commented:
Playing with th different "Accepted domain"-settings, I found the solution:

Our domain "ourdomain.com" was already in there with type "Authoriative".
I changed this to "Internal relay" and now this works fine.
0
 
CompuFitAuthor Commented:
Found the solution myself after being pointed in the right direction.
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