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Only Accept Mail From our Domain

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  • Only Accept Mail From our Domain

    Hi,

    We are using Exchabge 2003.

    We have a few distribution groups setup that people use as shortcuts for e-mailing large groups of employees. For example, [email protected] sends to all the users in the admin department.

    Anyway, is there a way to set those lists to ONLY receive mail from our domain? So someone from outside our organization would never be able to e-mail those addresses?

    thanks

    Jeremy

  • #2
    Re: Only Accept Mail From our Domain

    Hello,
    It is easy to be done.
    Go to the properties of your DL and select the Exchange General section
    To set restrictions on a distribution list under Message Restrictions, under Accept messages, select one of the following options:

    * Click From everyone to allow anyone to send to this distribution list. This includes anonymous users from the Internet.
    * Click From authenticated users only to allow only authenticated users to send mail to this distribution list.
    * Click Only from to specify a select set of users or groups that can send to this group and then click Add to specify the users or groups that you want to permit to send mail to this distribution list.
    * Click From everyone except to allow everyone but a select set of users or groups to send to this distribution group and then click Add to specify the list of users or groups that you want to restrict from sending to this distribution list.

    Selecting "From authenticated users" your DL will accept emails only from your internal users.

    Regards,
    Csaba
    Regards,
    Csaba Papp
    MCSA+messaging, MCSE, CCNA
    ...............................
    Remember to give credit where credit is due and leave reputation points where appropriate
    .................................

    Comment


    • #3
      Re: Only Accept Mail From our Domain

      Great, thanks so much for the help!!!

      Comment


      • #4
        Re: Only Accept Mail From our Domain

        you can restrict it even more if you use the group "domain users", which was the initial question.
        "authenticated users" is a bit broader than "domain users".
        Yesterday we stood at the edge of the abyss. Today we are a step further...

        Comment


        • #5
          Re: Only Accept Mail From our Domain

          chris,
          You can only use a mail enabled or mailbox enabled AD objects.
          Domain users group usually is not mail enabled.

          Regards,
          Csaba
          Regards,
          Csaba Papp
          MCSA+messaging, MCSE, CCNA
          ...............................
          Remember to give credit where credit is due and leave reputation points where appropriate
          .................................

          Comment


          • #6
            Re: Only Accept Mail From our Domain

            i stand corrected. i just tested that on a DL.
            i also tried to add "authenticated users" but that doesn't work either. probably for the same reason.

            where do you see "* Click From authenticated users only to allow only authenticated users to send mail to this distribution list."?
            we use windows 2000 ADand exchange 2000 and i can't find that option.
            i don't have access to a windows 2003 AD/exchange 2003 right now. is that option there?
            Last edited by chris; 21st February 2006, 10:21.
            Yesterday we stood at the edge of the abyss. Today we are a step further...

            Comment


            • #7
              Re: Only Accept Mail From our Domain

              "From authenticated users is only to allow authenticated users to send mail to this distribution list" is an Exchange 2003 feature.
              It is not available for Exchange 2000.
              Csaba
              Regards,
              Csaba Papp
              MCSA+messaging, MCSE, CCNA
              ...............................
              Remember to give credit where credit is due and leave reputation points where appropriate
              .................................

              Comment

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