Author: Ian Eiloart Date: To: Giuliano Gavazzi CC: exim-users Subject: Re: [exim] how to detect if address aliased?
--On Thursday, December 15, 2005 01:28 +0100 Giuliano Gavazzi
<dev+lists@???> wrote:
>
> On 14 Dec 2005, at 15:32, Ian Eiloart wrote:
>
>> It's for these reasons that we don't reject Message Submissions
>> that pass SMTP authentication. We bounce them to the authenticated
>> user. That way, we can give a much better explanation of the problem.
>
> yes, but that requires a lot more. Either a special local router for
> authenticated users, or a system filter,
Actually, we completely separate message submission (MSA) from mail
exchange (MX). We run a second instance of Exim, listening to a different
IP address, with a separate configuration. Same server, though. Given that
spammers always use the MX address, it means they never hit our MSA server.
> but principally requires a way
> to get the address corresponding to the authenticated user... in my
> setup this is not really feasable, although it would just require a
> mapping file user: address or equivalent.
Ah, well for us a username is a valid localpart in our default domain.