In need of assistance with multiple domain e-mail accounts

Posted on 2007-07-31
Last Modified: 2010-03-06
We have an instance where a new domain name has been created and is in the midst of web site setup, hosted by a local hosting company.  An individual is interested in having e-mail accounts created with the @newdomainname.  This individual would like all of his e-mail from @newdomainname to also come into his @ourcompanydomain mailbox.  No problem there (I can forward/re-direct the mail)...but here is where it gets "messy"...  When the e-mail comes to him as @newdomainname, he wants his e-mail address to respond back as @newdomainname (not   But e-mail that comes to him as should respond back as

How would I go about making that possible?  

We currently  have a simple Exchange 2003 setup.
Question by:MMHDU
    LVL 16

    Accepted Solution

    Welcome MMHDU,

    You cannot do that with default functionality. Outlook always uses the email address for sending that is specified as the primary email address in the users AD properties.

    A workaround would be to not forward the @newdomainname email but instead to open the mailbox with the @newdomainname as a second account in Outlook. Then the user would have both email accounts and thus both inboxes in one Outlook and when sending email he can choose the appropriate account from which he wants to send.

    If you want to leave the forwarding as it is you could give the user Send As permission on the user with the @newdomainname. Then the user simply could select that account in the From field when sending new email.

    Hope this helps.

    Author Comment

    Yes, that does help.

     It confirms what I had thought to be the only way (the workaround that you mentioned).  But most importantly clarifies why that it can't be done like the user would prefer (must use primary email address in AD properties).  

    Thanks for your guidance!
    LVL 16

    Expert Comment

    That's what I'm here for. Glad I could help you. Thanks for the points.

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