[Asterisk-Users] ATTN: Keith - Seriously OT

[Mark Musone]

it is NOT required that reverse DNS is setup. get your facts straight.


On 6/10/05, Neal Walton <asterisk at letourneau-ss.com> wrote:
> 
> 
> On Friday, June 10, 2005 3:16 AM, Andrew Kohlsmith
> [SMTP:akohlsmith-asterisk at benshaw.com] wrote:
> > On Friday 10 June 2005 04:08, Terry H. Gilsenan wrote:
> > > Received: from source ([81.56.129.44]) by exprod5mx8.postini.com
> > >  ([64.18.4.10]) with SMTP; Fri, 10 Jun 2005 00:29:16 PDT
> > >
> > > Your MTA claimed it was called "SOURCE" but rDNS tells the recipient MX
> > > that it is called: "mail.linuxautrement.com"
> >
> > I too will block emails with a non-FQDN HELO or EHLO.  I feel, however,
> that
> > reverse should not have to match forward lookups for mail exchangers.
>  It's
> > an assinine requirement (my box does web, mail, dns and a host of other
> > services, why should I need it to be called 'mail' for both forward and
> > reverse lookups just to get mail flowing?  Assinine.
> >
> > -A.
> 
> 
> Your server does not have to be called 'mail' for DNS and rDNS to work
> properly for mail delivery.  All that is required is that a reverse lookup
> returns whatever the actual name of the server is and the server needs to
> use that same name when it issues HELO.  My server at home is called 'fs-1'
> and the one at work is 'troutdale'.  Both systems work properly just
> because I set up the DNS and rDNS records to match the names of the
> servers.  There are a lot of broken rDNS records on the internet, and
> that's not likely to change anytime soon.  I only have control of a very
> tiny portion of DNS and rDNS space, but I still feel obligated to make my
> part work properly.  It's what makes the internet work.  Would you feel OK
> driving around in your car, knowing that some large percentage of the
> street signs were not correct?
> 
> 
> 
> 
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