Date: Tue, 22 Jun 1999 16:39:02 -0500 From: "Alejandro Ramírez" <ales@megared.net.mx> To: "Doug White" <dwhite@resnet.uoregon.edu> Cc: <freebsd-questions@FreeBSD.ORG> Subject: RE: Problem with NAT!!! Message-ID: <003001bebcf7$a514cb60$fba3f9cf@megared.net.mx> References: <Pine.BSF.4.10.9906221240020.99084-100000@resnet.uoregon.edu>
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Hi Doug,
Hi again, the solution of using an Internal DNS, its very dificult for
me, I have about 10,000 customers behind the NAT at my routers, so I will
have to disable DNS Lookups in Sendmail, but I cant find how to do it, the
only thing I found its this : FEATURE(nodns), in the .mc file, but this
didnt worked, I still having the same problem, is this the right feature, or
its something I have missed in the sendmail.org Site.
Ales
----- Original Message -----
From: Doug White <dwhite@resnet.uoregon.edu>
Sent: Tuesday, June 22, 1999 2:40 PM
> On Tue, 22 Jun 1999, Alejandro Ramírez wrote:
>
> > I have set up forward and reverse mapping to the outside ip address
of
> > the NAT (the public IP Address), and I also set up an MX record to the
same
> > address ( I read it in a firewall list ), I have checked this
configurations
> > with the nslookup command, and also with this page
> > http://www.wiskit.com/cgi-bin/tracecon , and everything seems to be
> > configured correctly, but I still have to wait like 25-30 seconds to get
an
> > answer from sendmail, I dont know what else I have to do to make this
work
> > with DNS records and computers behind the NAT.
>
> Yes, but you must set up an *INTERNAL* DNS with INTERNAL addresses.
>
> > BTW How do I turn off DNS lookups in sendmail, I want this to be my last
> > option.
>
> Check www.sendmail.org.
>
> > > > After 25 seconds it returns this...
> > > >
> > > > 220-mail.megared.net.mx ESMTP Mail Server.
> > > > 220-Ready on Fri, 18 Jun 1999 16:13:16 -0500 (CDT).
> > > > 220 !!!Do Not Spam this Site or use it as a Relay Without Explicit
> > > > Permission!!
>
> Doug White
> Internet: dwhite@resnet.uoregon.edu | FreeBSD: The Power to Serve
> http://gladstone.uoregon.edu/~dwhite | www.freebsd.org
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