[Techtalk] Non-delivery?

[PCasper]

I don't mind further tests, if for nothing else, than to determine that the
problem does lie with Comcast refusing to relay from their own users.

--Poppy

----- Original Message -----
From: "Rasjid Wilcox" <rasjidw at openminddev.net>
To: "PCasper" <sylph at cyber-dyne.com>; <techtalk at linuxchix.org>
Sent: Tuesday, November 25, 2003 3:23 AM
Subject: Re: [Techtalk] Non-delivery?


> On Tuesday 25 November 2003 15:35, PCasper wrote:
> > Question for the email-literate people....
> >
> > I'm finding that a number of emails to me are being bounced... only from
a
> > certain domain (comcast, who provides cable access to this area)
> >
> > The error which comes back when the email is bounced is as follows:
> >
> > Reporting-MTA: dns; comcast.net
> > Arrival-Date: 20 Nov 2003  5:57:04 +0000
> >
> > Final-Recipient: rfc822; <sylph at cyber-dyne.com>
> > Action: failed
> > Status: 5.1.0 MAIL FROM: <koocheekoo at comcast.net> 550 REPLY:
> > 550_5.7.1_Access_denied Diagnostic-Code: smtp; Permanent Failure: Other
> > address status
> > Last-Attempt-Date: Thu, 20 Nov 2003 05:57:12 -0000
> >
> >
> > Subject: Returned mail: delivery problems encountered
> >
> >
> > A message (from <koocheekoo at comcast.net>) was received at 20 Nov 2003
> > 5:57:04 +0000.
> >
> > The following addresses had delivery problems:
> >
> > <sylph at cyber-dyne.com>
> > Permanent Failure: Other address status
> > Delivery last attempted at Thu, 20 Nov 2003 05:57:12 -0000
>
> I suspect that it is a problem at comcast.net since at no point does it
look
> like there was a smtp conversation with a host at cyber-dyne.com.
>
> Also, I tested a direct connection using telnet to the
> mail-server at cyber-dyne.com, and it all seemed to go through okay.
>
> I've have seen people reject mail based on the host given in the helo or
ehlo
> command not matching the reverse dns lookup, so I wanted to test that, but
> that was okay.
>
> If you like there are a couple of other tests I could do, but I should
> probably ask for your permission first Poppy, since otherwise you will be
> wondering what these stange badly formed mail are doing in your inbox.
>
> Cheers,
>
> Rasjid.
>
> --
> Rasjid Wilcox
> Canberra, Australia (UTC +10 hrs)
> http://www.openminddev.net