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How to Rewrite All E-Mail Messages from a Single E-Mail Domain

 

Applies to: Exchange Server 2007 SP3, Exchange Server 2007 SP2, Exchange Server 2007 SP1, Exchange Server 2007

Topic Last Modified: 2006-03-10

Exchange Server 2007 lets you to rewrite the headers of e-mail messages that are sent to and from specific internal domain names when messages are sent to and from the Internet. This enables the organization to make the internal e-mail addresses appear to originate from another domain.

noteNote:
You cannot administer the Address Rewriting agent by using the Exchange Management Console. To administer the Address Rewriting agent, you must use the Exchange Management Shell. For more information about how to use the Exchange Management Shell, see Using the Exchange Management Shell.

For more information about address rewriting, see Planning for Address Rewriting.

To perform the following procedure on a computer that has the Edge Transport server role installed, you must log on by using an account that is a member of the local Administrators group on that computer.

Also, before you perform this procedure, read How to Create a New Address Rewrite Entry.

importantImportant:
The Address Rewriting Inbound agent and the Address Rewriting Outbound agent must be enabled for address rewrite entries to be applied to e-mail messages that enter and leave a computer that has the Edge Transport server role installed. If address rewrite entries have been created, but the Address Rewriting agents are disabled, Exchange Server 2007 does not apply the address rewrite entries. To determine whether the Address Rewriting agents are enabled on a computer that has the Edge Transport server role installed, run the following command:
Get-TransportAgent
For more information about the Get-TransportAgent command, see Get-TransportAgent.
To enable the Address Rewriting agent if it is not enabled, run the following command:
Enable-TransportAgent -Identity "Address Rewriting Inbound agent"
Enable-TransportAgent -Identity "Address Rewriting Outbound agent"
For more information about the Enable-TransportAgent command, see Enable-TransportAgent.

When you configure Exchange Server 2007 to rewrite a single domain, the headers of e-mail messages that are sent to and from that domain are rewritten. For example, in the following procedure, the headers of e-mail messages that are sent from mailboxes in the internal contoso.com domain are rewritten so that the messages appear to originate from the northwindtraders.com domain when they are sent to the Internet. When new messages, or replies to messages that originated from the rewritten domain, arrive at the computer that has the Edge Transport server role installed, Exchange Server 2007 rewrites the recipient address in the header of the inbound messages that have the internal domain contoso.com and delivers the message to the recipient.

To create a new address rewrite entry that rewrites the headers of messages that are sent to and from mailboxes in the internal domain, use the following command syntax:

New-AddressRewriteEntry -Name <address rewrite entry name> -InternalAddress <internal domain> -ExternalAddress <external domain>

  • Run the following command:

    New-addressRewriteEntry -Name "Contoso to Northwindtraders" -InternalAddress contoso.com -ExternalAddress northwindtraders.com
    

For detailed syntax and parameter information, see New-AddressRewriteEntry.

For more information about address rewriting, see the following topics:

 
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