Question

Different email domains using different send connectors

Asked by: omb

Dear Experts - I'm new to Exchange 2007, go easy with me!

Scenario: We have an SBS 2008 using Exchange 2007. The Exchange server needs to be configured to receive emails from different domains hosted by different providers. The Exchange server needs to send emails over different smarthosts (smtp servers of the providers) based on the sender's email address domain. Different AD users will be assigned different email addresses.

Example: User1 has email address user1@domain1.com. Emails need to be sent over smarthost1. User2 has email address user2@domain2.com. Emails need to be sent over smarthost2.

Question: Is this possible and how? Thanks.

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Asked On
2009-06-04 at 02:18:25ID24462991
Tags

SBS 2008

,

Exchange 2007

Topics

Exchange Email Server

,

SBS Small Business Server

Participating Experts
2
Points
125
Comments
11

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Answers

 

by: DCMBSPosted on 2009-06-04 at 03:23:15ID: 24545224

yes it is. Create a send connector and in the send connectors address space delete the * and enter the domain you wish the connetor to route for.  Set the appropriate smarthost.

 

by: MesthaPosted on 2009-06-04 at 04:06:55ID: 24545469

The above answer is incorrect.
Exchange cannot route email based on the sender, only on the recipient. If you configure the Send Connector as above, then no email will flow out, because you need a * connector for external email to flow.

Basically you cannot do what you want to do. Exchange isn't able to do that. Therefore you will need to either route all email via the same smart host, or if you have a static IP address use DNS for delivery.

Simon.

 

by: DCMBSPosted on 2009-06-04 at 04:23:19ID: 24545591

Mestha is not correct.

Exchange can use connectors to route on destination domains. One connector must have the * in the name space as this is the default route for email.  Other connectors should not have the *. They should just have the destination domain as the address space entry.  When exchange sends email it will search all te connectors and if it can match the domain to an address space it will use that connector other wise it will use the default connector.

 

by: MesthaPosted on 2009-06-04 at 04:42:51ID: 24545790

The question isn't about destination domains.

"based on the sender's email address domain"

Sorry, you are incorrect - again.

Simon.

 

by: DCMBSPosted on 2009-06-04 at 04:55:53ID: 24545888

Yes, I misread the question.  As the question stands Mestha is correct

 

by: ombPosted on 2009-06-04 at 05:52:56ID: 24546339

Thanks for the feedback. I created 2 different connectors with different smarthosts - one for *.domain1.com & one of *.domain2.com - as Mestha stated, no mails went out. So I then configured the following:

--> Hub-Transport, Accepted Domains:

Name: "External Windows SBS Domain"
  • Accepted Domain: "domain1.com" 
  • Type: "Internal Relay" 
  • Standard: "False"
     
Name: "domain1.local"
  • Accepted Domain: "domain1.local" 
  • Type: "Authorised" 
  • Standard: "True"
     
Name: "domain2.com"
  • Accepted Domain: "domain2.com" 
  • Type: "Internal Relay" 
  • Standard: "False"
     
Q: Is the "type" of Accepted Domains (Authorised, Internal Relay) here correct?

--> Hub-Transport, Send Connectors:

Name "Windows SBS Internet Send Domain"
  • Name space: * 
  • Network Smarthost: smtp-relay.provider.com 
Q: I don't need to add the name space "domain1.com" or "domain2.com" right?

Q: Now all I need to do is create an Address Policy for each email domain in order to assign the correct email address / aliases to my AD users?

Is the above correct? Thanks for your help / comments.

 

by: DCMBSPosted on 2009-06-04 at 06:28:14ID: 24546654

Your Type of accepted domain should be "Authorative" if the users have mailboxes on this server. "Internal Relay" implies the users mailbox is on a different machine.

The send connector will work

You do need an address policy

 

by: ombPosted on 2009-06-04 at 06:54:53ID: 24546927

Email aliases for each of the domains (domain1.local, domain1.com, domain2.com) exist on the SBS. Should the Type for all of these named Accepted Domains (domain1.local, domain1.com, domain2.com) be "Authorative"?

 

by: DCMBSPosted on 2009-06-04 at 07:11:25ID: 24547116

Yes I believe so

 

by: ombPosted on 2009-06-05 at 06:43:22ID: 24556315

Works fine - many thanks

 

by: ombPosted on 2009-06-05 at 06:44:26ID: 31588669

Mestha answered the question - hence receive most points. DCMBS gets points for answering the "type of accepted domain" bit. Thanks again

20120131-EE-VQP-002

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