On Fri, 08 Nov 2002 16:43:23 -0500 "David A. Bandel" <[EMAIL PROTECTED]> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
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> On Fri, 8 Nov 2002 13:08:07 -0800
> begin Bill Campbell <[EMAIL PROTECTED]> spewed forth:
>
> [snip]
>
> >
> > Nobody who has the faintest clue about e-mail believes anything in the
> > From: or Reply-To: headers in spam since forging them is trivial.
>
> A properly configured sendmail server will not allow just anyone to
> rewrite the From: header. Your mailer can change the Return-Path:, but
> not the From:. Only defined trusted users can do this. So either covad's
> mail server is misconfigured (everyone is trusted), or they're in on this.
> At the very least, the spam originated with them and they know who it is.
>
> Since I haven't heard from them, time to file my criminal complaint
> directly against covad.
>
> >
> > >Return-Path: <[EMAIL PROTECTED]>
> > >Received: from pananix.com (h-66-167-112-39.HSTQTX02.covad.net
> > >[66.167.112.39])
> > > by ns1.panamanow.com (8.12.5/8.12.5) with ESMTP id gA7DaCuR010676
> > > for <[EMAIL PROTECTED]>; Thu, 7 Nov 2002 08:36:13 -0500
> > >Message-Id: <[EMAIL PROTECTED]>
> > >From: [EMAIL PROTECTED]
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^
> This field is sacred. It is (re)written by sendmail.
>
> If your mail server permits this to be rewritten by your mail agent, then
> your mail server is seriously flawed (broken).
>
Or at the very least the source code was modified to allow it to pass through
unfettered. Personally, I smell a rat at covad.net.
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