On 12/03/2004, at 6:22 AM, K�cz�n P�ter wrote:

Hi,

I've asked this question before, and got the answer that I shall use
mailfilter for it, but afterwards I couldn't manage to get it work.

So my problem was that I use courier, and people who have account to the
server can send mail after authentication, which is not a problem. The
problem is that they - after auth - can send mail from any address, even if
it is not hosted on my server. So I need to specify email address(es) for
each email account on the server.

You are using SMTP. It's a problem with the protocol, not the server. It would be possible to check using a courierfilter that the From: header was from your server, if the top Received: header has the AUTH keyword.

--
Phillip Hutchings
[EMAIL PROTECTED]
http://www.sitharus.com/

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