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Troubleshoot 'Send As' permission errors

Learn how to troubleshoot the Exchange Server permissions error message: 'Your message did not reach some or all of the intended recipients. You do not have permission to send to this recipient.'

A user gets the following Exchange Server error message while trying to "Send As" a different user (generic Exchange Server mailbox). He has permission to "Send As" that user, but he still receives this message:

Your message did not reach some or all of the intended recipients.

    Subject: Test
    Sent:  2/15/2006 12:16 PM

The following recipient(s) could not be reached:

AnyUser on 2/15/2006 12:16 PM

    You do not have permission to send to this recipient.
    For assistance, contact your system administrator.

Do you know what the problem could be?

I have seen many people over the years miss something or configure the wrong Exchange Server permissions. I'd start by reading Microsoft Knowledge Base article 329622: 'Send on behalf' permission is not assigned to a user after you delegate access in Outlook, to ensure that all the correct settings are in place.

Do you have comments on this Ask the Expert Q&A? Let us know.

Related information from SearchExchange.com:

  • Expert Advice: Assigning 'Receive As' and 'Send As' permissions
  • Expert Advice: Creating 'Send As' permissions for a shared mailbox
  • Tip: Microsoft patch changes the way 'Send As' permissions work
  • Tip: Let multiple users share the same mailbox
  • FAQ: Exchange Server non-delivery reports
  • Reference Center: Exchange permissions and authentication resources
  • Dig Deeper on Exchange Server setup and troubleshooting

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