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Granting 'Send As' rights to an Exchange 2003 user

In a multiple-domain company, users in one organization may need to send on behalf of another. Unfortunately, Exchange 2003 can't do this. As a workaround, grant 'Send As' rights.

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After a merger or corporate rebranding, an organization may end up with multiple top-level domains -- e.g.,, and

In some cases, users in one organization may need to send on behalf of another organization, especially if their duties are being transferred between departments. Incoming e-mail for a given domain might be redirected, but for the sake of identity, [email protected] might need to send e-mails as [email protected], too.

Exchange Server 2003 has no immediate, native way to do this. It is a broadly-requested feature, though, so it may show up in the next iteration of Exchange.

For now, a standard workaround is to create a separate object with a new e-mail address and grant the user who needs it Send As rights. If you're only dealing with a few users, this can be set up manually:

  1. Create a new mailbox or group object in Active Directory Users and Computers with the appropriate domain name.

  2. Go to the View menu and select Advanced Features.

  3. Under Users, right-click the mailbox or group object and select Properties.

  4. Under Security -> Advanced, click Add and type the username that you want to grant Send As permissions to.

  5. Click Check Names to make sure you have the name right and then click OK.

  6. In the Permission Entry dialog, select "This object only" in the "Apply to" dropdown, and then check "Allow" under "Send As" in the Permissions list. Make sure no other permissions are being explicitly granted.

  7. Click OK to close all the dialogs.

It may also be possible to automate this with a script if you're dealing with many users, but that can be tedious. An easier solution might be to use a third-party product such as ChooseFrom, which allows Exchange users to send on behalf of any registered SMTP address.

About the author: Serdar Yegulalp is editor of the Windows Power Users Newsletter and a regular contributor to

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Related information from

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