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"This e-mail address is not valid..." error message when you try to add a new SMTP address to the default recipient policy in Exchange 2000

When you try to add a new Simple Mail Transfer Protocol (SMTP) address to the Microsoft Exchange 2000 Server default recipient policy, you receive an error message that is similar to the following:
This e-mail address is not valid. To view details of the error, see the application event log in the Windows Event Viewer on the Microsoft Exchange Server computer.

ID no: c10312e6
Exchange System Manager
The following event is logged in the application event log in the Event Viewer:

Event ID: 1
Source: InternetProxy
Description: Unable to generate an e-mail address because the site address is bad.
For more information, click

Note In this scenario, is the e-mail address that is being used.
This behavior occurs if the @ symbol does not come before the e-mail address.
To resolve this behavior, follow these steps:
  1. Click Start, point to Programs, point to Microsoft Exchange, and then click System Manager.
  2. In the left pane, expand Recipients, and then click Recipient Policies.
  3. In the right pane, right-click Default Policy, and then click Properties.
  4. Click the E-Mail Addresses (Policy) tab, and then click New.
  5. In the E-mail address type list, select SMTP Address, and then click OK.
  6. In the Address box, type @ followed by the e-mail address.

    For example, is a valid e-mail address whereas is not a valid e-mail address.
  7. Click Apply, and then click OK two times.
  8. Right-click Default Policy, and then click Apply this policy now.
  9. In the Exchange System Manager dialog box, click Yes.

Article ID: 839500 - Last Review: 12/03/2007 03:23:00 - Revision: 2.3

  • Microsoft Exchange Server 2003 Enterprise Edition
  • Microsoft Exchange Server 2003 Standard Edition
  • Microsoft Exchange 2000 Enterprise Server
  • Microsoft Exchange 2000 Server Standard Edition
  • Microsoft Windows Small Business Server 2003 Premium Edition
  • Microsoft Windows Small Business Server 2003 Standard Edition
  • Microsoft Small Business Server 2000 Standard Edition
  • kberrmsg kbprb KB839500
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