2016-03-01 14:05 GMT-04:30 Gordon Messmer <[email protected]>:
> Any user that authenticates is allowed to relay, so I'd think that's the
> part you need to protect.
>
any user can sent to internal domain so that no so "so" protected but
yes, in this part i need to filter as u suggested in the next part
> One option would be to disallow ESMTP authentication entirely on
> whatever server the users are using, and to set up a separate mail relay
> server where you can filter authentication to only specific whitelisted
> users.
>
This solution its too complicated, inplicts another server, we must keep
simple and single..
THIS IST LIKE I NEED:
>
> Another would be to allow authentication, but use a courierfilter to
> check the sender and recipients and apply a local policy to allow or
> deny relaying messages.
>
NOW: my SMTP courier-mta its all authenticated, noone can sent without
auth,
so as u mention i need to setup that "courierfilter" how could i do
this!!!????
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