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The following is an archive of a post made to our 'vox-tech mailing list' by one of its subscribers.

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Re: [vox-tech] DNS MX Record Woes
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Re: [vox-tech] DNS MX Record Woes



On Thu, Apr 26, 2007 at 08:02:16AM -0700, Rod Roark wrote:
> On Thursday 26 April 2007 07:10, Marc Elliot Hall wrote:
> ...
> > The message bounced, and I got this from my mail server:
> > 
> > ============================
> >                         The Postfix program
> > 
> > <job-302677684@craigslist.org>: host mxi2s.craigslist.org[66.150.243.2] said:
> >     554 <adsl-70-129-38-126.dsl.stlsmo.swbell.net[70.129.38.126]>: Client host
> >     rejected: Please use SMTP relay of your ISP or setup non-generic DNS (in
> >     reply to RCPT TO command)
> [remainder deleted]
> 
> I would guess it's either the reverse lookup, or you are showing up on
> one of the DNS-based blocklists that tracks "residential" IP space.
> Probably the former, given the wording of the rejection.
> 
> IMO Craigslist is not handling this very well, especially considering
> its focus as a consumer-centric service.  It seems the heavy flood of
> spam in recent months is causing some administrators to make poor
> decisions.
> 
> Consider switching to an ISP that lets you customize the reverse
> lookup.  I use DSLExtreme which does this.
> 
> In the meantime if you (or anyone) would like a gmail invite, just let
> me know.
> 
> Rod

Thank you for the offer, Rod. Fortunately, as detailed in my reply to
Rick (and thank you, too, Rick!), I've overcome this particular
obstacle. Now I just have to think about supporting SPF on my
mailserver...

Curse you, Spammers, for making my life difficult!

-- 
Marc Elliot Hall
www.hallmarc.net
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