cannot send email to mail enabled groups from the internet

Posted on 2007-10-03
Last Modified: 2010-03-06
hi we have an exchange 2003 organization sp2 and i cannot send email to any of the domain groups from the internet. I am getting NDR.
Any ideas ?
Question by:c_hockland
    LVL 8

    Expert Comment

    make sure that the group has a smtp alias in the domain. This is in the email addresses tab of the group under AD Users and comps.

    Author Comment

    let me check again and let u know

    Author Comment

    yes, each group has at least 2-3 smtp email addresses, which i tried all of them and nothing went through.
    Any ideas ?

    Author Comment

    Two days ago i created a new group. I can only send email to this specific group. For all the other groups i get

    Reporting-MTA: dns;
    Received-From-MTA: dns;
    Arrival-Date: Wed, 3 Oct 2007 21:45:17 -0500

    Final-Recipient: rfc822;
    Action: failed
    Status: 5.7.1
    X-Display-Name: LLS Network Services
    LVL 5

    Accepted Solution

    Under the Exchange General Tab - Message Restrictions - Accept Messages (Is From Authenticated Users checked?) If so, uncheck it. Also can it accept messages from everyone?


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