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How Exchange 2007 E-Mail Address Policies and Accepted Domains Relate to Exchange 2003 Recipient Policies

 

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

Topic Last Modified: 2010-01-11

The e-mail address recipient policy in Microsoft Exchange 2003 has been separated into two concepts in Microsoft Exchange Server 2007:

  • E-mail Address Policies (EAP)

  • Accepted Domains

This topic describes the relationship between EAP and accepted domains in Exchange 2007 and how e-mail address recipient policies in Exchange 2003 are linked to EAP and Accepted Domains in Exchange 2007.

In Exchange 2003, there are two kinds of recipient policies:

  • E-mail address recipient policies

  • Mailbox manager recipient policies.

Mailbox manager recipient policies are not the focus of this topic and will not be described in detail.

The e-mail address recipient policy in Exchange 2003 combines the concepts of EAP and accepted domains. However, the following problems exist with this combined approach:

  • Assume that a domain is specified for an e-mail address recipient policy, but the domain is not set as an authoritative domain. In this scenario, e-mail messages that are sent to recipients who have e-mail addresses that are defined by the policy are not routed within the Exchange organization for this domain. This is an invalid scenario, but the Exchange System Manager (ESM) does not block it.

  • This Exchange organization is responsible for all mail delivery to this address check box, also known as the authoritative domain check box, is included under the e-mail address recipient policy user interface and is not very discoverable.

  • Relay domains are managed by using the Connector user interface, which is in a different location than authoritative domain management. This issue can increase management complexity.

To avoid these problems, the e-mail address recipient policy concept is separated into EAP and accepted domains in Exchange 2007.

To set the specified domain as an authoritative domain in Exchange 2003
  1. Open the Exchange System Manager.

  2. Expand Recipients.

  3. Click Recipient Policies.

  4. Right-click Default Recipient Policy, and then select Properties.

  5. Click the E-Mail Addresses tab, and then click New.

  6. In the New Email Address dialog box, select SMTP.

  7. In the Address box, enter the SMTP domain name that you want to create.

  8. To make the specified domain authoritative, click to select the This Exchange Organization is responsible for all mail delivery to this address check box.

EAP defines the e-mail proxy addresses that are stamped onto recipient objects. Accepted domains define the SMTP namespaces that an Exchange organization uses to route e-mail messages. Any accepted domain that is added to the system can be mapped to an EAP to generate recipient e-mail addresses for the newly accepted domain. Every EAP must link to an existing accepted domain. This allows e-mail messages that are sent to e-mail addresses that are defined by the EAP to be routed by Exchange 2007 transport servers.

In Exchange 2007, authoritative and relay domains are managed together as accepted domains. You can use the Exchange 2007 Management Console to view and manage all accepted domains.

To view all accepted domains by using the Exchange 2007 Management Console
  1. In the Exchange 2007 Management Console, expand Organization Configuration, and then click Hub Transport.

  2. In the details pane, click the Accepted Domains tab to view all accepted domains and authoritative domains that are defined in the organization.

You can use the Exchange 2007 E-Mail Address Policy Wizard to select an accepted domain in which a new e-mail address policy can be applied. Only accepted domains that are defined in the Exchange 2007 organization can be added to the list in the EAP.

 
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