Re: SMTP NDR

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From: Grady W Smithey III (office_at_islagiatt.org?subject=Regarding%20Your%20Post)
Date: 03/17/05


Date: Thu, 17 Mar 2005 15:15:40 -0600

If it was doing a lookup on the recipient's address, why would the error
state that the sender domain doesn't exist?

"Kent" <Kent@discussions.microsoft.com> wrote in message
news:6150B64D-51E0-446D-9034-7A4B18A3C9F8@microsoft.com...
> I don't think it's trying to do a reverse lookup so it wouldn't be the PTR
> record. It's probably just trying to do a normal "forward" lookup on the
> domain part of the sender's email address. Make sure the sender's email
> address is correct (i.e. not yourdomain.local) and make sure the
nameserver
> for the domain is accessible from the Internet and responding to DNS
> requests.
>
> Kent
>
> "Mike Mullins" wrote:
>
> > The PTR records is in there
> > "Grady W Smithey III"
<office@islagiatt.org?subject=Regarding%20Your%20Post>
> > wrote in message news:eaM8O6nKFHA.3960@TK2MSFTNGP09.phx.gbl...
> > > The "Sender domain must exist" part of the error code indicates that
the
> > > server you were trying to send to attempted a reverse lookup on yours,
and
> > > couldn't find a PTR record for it. You'll want to take a look at the
> > section
> > > on creating a Reverse Lookup Zone in the following article:
> > >
> > > HOW TO: Create a New Zone on a DNS Server in Windows Server 2003
> > > http://support.microsoft.com/default.aspx?scid=323445
> > >
> > > "Mike Mullins" <Michael.Mullins@commdatanetworks.net> wrote in message
> > > news:eRtpxxnKFHA.3652@TK2MSFTNGP10.phx.gbl...
> > > > Your message did not reach some or all of the intended recipients.
> > > >
> > > > Subject: Server Performance Report - SERVER
> > > > Sent: 3/16/2005 6:00 AM
> > > >
> > > > The following recipient(s) could not be reached:
> > > >
> > > > mullinsm@netdirect.net on 3/16/2005 6:01 AM
> > > > The e-mail address could not be found. Perhaps the recipient moved
to
> > a
> > > > different e-mail organization, or there was a mistake in the
address.
> > > Check
> > > > the address and try again.
> > > > <SERVER.KDC.local #5.1.8 smtp;501 5.1.8 Sender domain must exist>
> > > >
> > > >
> > >
> > >
> >
> >
> >



Relevant Pages

  • Re: Reverse DNS Failure
    ... > reverse DNS lookup from DNSSTuff.com says that no PTR records exist ... > Below is the text generated by DNSStuff on the reverse lookup. ... > Reports that no PTR records exist. ... It appears you have incorrectly named your reverse lookup zone, ...
    (microsoft.public.windows.server.dns)
  • Re: SMTP NDR
    ... > I never said it was doing a lookup on the recipient's address. ... A forward DNS lookup turns ... > When the recipient's mail server does a DNS lookup of the sender's domain, ... >> state that the sender domain doesn't exist? ...
    (microsoft.public.windows.server.sbs)