postfix.sendmail exchange-mailrelay configuration

Discussion in 'Installation/Configuration' started by rexistance, Oct 7, 2009.

  1. rexistance

    rexistance New Member

    hy all.

    i have 2 win 2003 exchange servers and 1 RHEL 4 mail relay server.

    i have the following situation:
    sending/receiving mail works flawlessly between exchange servers.
    only specified users in /etc/aliases can receive email from outside of the domain but all users can send mail outside of the domain.

    how can i restrict access so that only specified users can send mail outside of the domain?
    the same users as specified in /etc/aliases for example.

    or is there a configuration option in active directory ?

    i searched the net for an answer but did not find one or ,due to my limited knowledge in this field, failed to see one.

    many thanks for helping me.

    kind regards

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