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From: Mark Hennessy (postfixevilbrain.com)
Date: Thu Nov 16 2006 - 14:31:22 CST


>At 11:31 AM 11/16/2006, Mark Hennessy wrote:
>>I want to prohibit a list of users from being able to send
>>e-mail to certain
>>domains at all. I think it should involve access,
>>transports, and
>>header_checks but I am not quite sure how to implement it.
>
>This is done with smtpd_restriction_classes and multiple
>access tables; header_checks and transport_maps are not
>involved. Here is a general write-up you should be able to
>modify for your purposes:
>http://www.postfix.org/RESTRICTION_CLASS_README.html#external
>
>--
>Noel Jones

Thanks!! I formulated a configuration based upon that documentation, but I've
just been told though that it's not in fact a list of users that I want to
prohibit, but a list of users that I want to permit and all other users would
be prohibited. How I might do that?

--
Mark Hennessy