You do not have the permission to send this message on behalf of the specified user
We have a email account that multiple people must be able to send from, and we are getting the "You do not have the permission to send this message on behalf of the specified user" error message. Steps I've taken so far to correct the problem is 1 Clicking on the "Exchange General" tab, and then clicking on the "Delivery Options" button. A new dialog box titled "Delivery options" will appear and within this new dialog box is an area labeled "Send on Behalf". And added users. 2. Applied hotfix office2003-KB913696-GLB.exe 3. Delegated authority within Outlook Client (Tool-Opions) We are running Exchange Server 2003, with Outlook 2003 SP2 Any help with this matter is appreciated Thank you
July 3rd, 2007 8:45pm

Are the users receiving this error Domain Admins?
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July 4th, 2007 12:58am

no to the domain admin question
July 5th, 2007 10:36pm

I just had something along the same lines:If the user tries to send on behalf of an email address rather than the user, it will not work (yet this used to work? strange.)If you just type "username@abc.com" in the from field rather than clicking the "from" button and finding the user account to send from in the address list, things would not work and we would get the "You do not have the permission to send this message on behalf of the specified user" error message. Maybe this has something to do with primary email addresses, not sure yet. Don't know if this is anything to do with the aforementioned problem, but it had me scratching my head for a while.
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July 11th, 2007 7:40am

Hi, Should the users be able to "send as" or "send on behalf on"? If they should be able to send as you need to go to the security tab of the mailbox in aduc and add the users here with send as permissions. Leif
July 11th, 2007 1:55pm

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