Per User Relaying

[Lance]

Yes it's a gateway that front-ends an Exchange Server.

The problem is simply the sheer volume of bogus connections that I don't
really want hitting the Exchange server.

Lance


-----Original Message-----
From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK] On Behalf
Of Michele Neylon
Sent: Wednesday, June 16, 2004 3:59 PM
To: MAILSCANNER at JISCMAIL.AC.UK
Subject: Re: Per User Relaying

On Wed, 2004-06-16 at 23:42, Lance wrote:
> Hi Folks,
>
> I know this isn't the best place for this question, but I'm banging my
head
> against the wall.
>
> We use MailScanner + SpamAssasin and I'm still trying to switch one of our
> problem domains over (200+ spams inbound per minute).
>
> What I'm trying to do is use sendmail to reject unknown users - so I've
> populated /etc/mail/access with:
>
> To:validuser at somedomain.com             RELAY
> To:validuser2 at somedomain.com            RELAY
> Etc.....
>
> Then I've added:
>
> To:somedomain.com                       ERROR:"User Unknown"
>
> I found this on a number of sites, so I thought it would work, but no luck
> so far.
>
> The error I get is: PERM_FAILURE: SMTP Error (state 9): 550 5.7.1
> <validuser at somedomain.com>... Relaying denied
>
> So it's not hitting the Unknown User (which gets lots of hits) but for
some
> reason is getting denied.
>
> Any thoughts?
Is this a gateway machine?

I'm a little confused as to why you are doing it this way, unless you
have a catchall enabled on the domain.


--
Mr. Michele Neylon
Blacknight Internet Solutions Ltd
http://www.blacknight.ie/
+353 59 913 7101

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