[lug] Postfix and M$ smtp question

[Egg]

* rm at fabula.de (rm at fabula.de) wrote:
> On Wed, Jul 17, 2002 at 10:14:42PM -0600, Egg wrote:
> > 
> > I am curious if anyone has any idea why requests for mail delivery
> > times-out when delivering to the following domains:
> > 
> > hotmail.com
> > msn.com
> > pinpointtech.com
> > 
> > 
> > The only thing that I can think of is that they are M$ based and thus
> > aren't as likely to cooperate, but I find this a niave assumption to
> > make so I was wondering if anyone knows what could be possible
> > cause(es).
> 
> 
> Hmm, shot into the dark: some providers (esp. the larger ones) start
> to get rather picky when it come to accepting mail -- some actually
> _do_ require that the sending host (as identified by the 'HELO' header)
> does resolve corrctly during a DNS lookup. Assuming that you talk about
> the same host that sent your mail:
> 
> |  Received: by Shoggoth.only-an-egg.org (Postfix, from userid 1000)
> |               ^^^^^^^^^
> |         id 0967815064A; Wed, 17 Jul 2002 22:14:43 -0600 (MDT)
> |  From: Egg <egg at only-an-egg.org>
> | 
> 
> my 'nslookup' looks like this:
> 
> | > set qtype=any
> | > shoggoth.only-an-egg.org.
> | Server:  www-proxy.FR1.srv.t-online.de
> | Address:  217.5.112.21
> | 
> | *** www-proxy.FR1.srv.t-online.de can't find shoggoth.only-an-egg.org.: Non-existent host/domain
> | > 
> 
> so it looks like 'shoggoth' isn't known to the rest of us ...
> 
> 
>  Hope this helps
> 
> 
>     Ralf Mattes 
> 
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That could very well be it... lemme go add that to my dns entries and 
see what I get.

Egg