Re: strange message for moderation: weird list aliases??

On Wed, Dec 12, 2007 at 09:29:12AM -0800, Joshua D. Drake wrote:
> Marc G. Fournier wrote:
> >rejected on ... try sending to 'garbage@postgresql.org', and it should
> >bounce back with 'no such user' ...
>
> Well...
>
>
>
> -------- Original Message --------
> Subject: [HACKERS] test
> Date: Wed, 12 Dec 2007 09:22:56 -0800
> From: Joshua D. Drake <jd@commandprompt.com>
> Organization: Command Prompt, Inc.
> To: hackers@postgresql.org

But see the attachment here.  Which raises the question, why did the sample
we're discussing get by?  It's not an address at that server. . .

A

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  garbage@postgresql.org
    SMTP error from remote mail server after RCPT TO:<garbage@postgresql.org>:
    host mail.postgresql.org [200.46.204.71]: 550 5.1.1 <garbage@postgresql.org>:
    Recipient address rejected: User unknown in local recipient table

------ This is a copy of the message, including all the headers. ------

Return-path: <ajs@crankycanuck.ca>
Received: from 227-54-222-209.mycybernet.net ([209.222.54.227] helo=crankycanuck.ca)
    by main2.mycybernet.net with esmtp (Exim 4.62)
    (envelope-from <ajs@crankycanuck.ca>)
    id 1J2VPC-0005gP-Go
    for garbage@postgresql.org; Wed, 12 Dec 2007 12:29:58 -0500
Received: by crankycanuck.ca (Postfix, from userid 1000)
    id 901A650476; Wed, 12 Dec 2007 12:29:53 -0500 (EST)
Date: Wed, 12 Dec 2007 12:29:53 -0500
From: Andrew Sullivan <ajs@crankycanuck.ca>
To: garbage@postgresql.org
Subject: test
Message-ID: <20071212172953.GB31954@crankycanuck.ca>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.5.13 (2006-08-11)

testing