From owner-freebsd-isp  Mon Aug 13 16:59:53 2001
Delivered-To: freebsd-isp@freebsd.org
Received: from dns.unimayab.edu.mx (dns.unimayab.edu.mx [148.230.236.5])
	by hub.freebsd.org (Postfix) with ESMTP id 05AE937B407
	for <isp@FreeBSD.ORG>; Mon, 13 Aug 2001 16:59:49 -0700 (PDT)
	(envelope-from dperez@unimayab.edu.mx)
Received: (from nobody@localhost)
	by dns.unimayab.edu.mx (8.11.3/8.11.3) id f7E00N315249;
	Mon, 13 Aug 2001 19:00:23 -0500 (CDT)
	(envelope-from dperez@unimayab.edu.mx)
X-Authentication-Warning: dns.unimayab.edu.mx: nobody set sender to dperez@unimayab.edu.mx using -f
To: bv@wjv.com, Bill Vermillion <bill@wjv.com>
Subject: Re: sendmail relay by domain sender address
Message-ID: <997747222.3b786a166c71f@mail.unimayab.edu.mx>
Date: Mon, 13 Aug 2001 19:00:22 -0500 (CDT)
From: dperez@unimayab.edu.mx
Cc: isp@FreeBSD.ORG
References: <20010813164806.B76788@wjv.com>
In-Reply-To: <20010813164806.B76788@wjv.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8bit
User-Agent: IMP/PHP IMAP webmail program 2.2.5
X-Originating-IP: 172.21.14.11
Sender: owner-freebsd-isp@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-isp.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-isp>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-isp>
X-Loop: FreeBSD.org

Mensaje citado por: Bill Vermillion <bill@wjv.com>:

> On Mon, Aug 13, 2001 at 01:11:53PM -0500, A. David Perez Marfil thus
> sprach:
> 
> > Every works just fine but with some domain i got this problem.
> > 
> > Aug 13 08:21:09 dns sendmail[12926]: f7DDL8p12926:
> ruleset=check_mail,
> 
> > arg1=<jcastill@reduno.com.mx>, relay=reduno.reduno.com.mx
> [192.100.183.178],
> > reject=451 4.1.8 
> > <jcastill@reduno.com.mx>... Domain of sender address
> jcastill@reduno.com.mx 
> > does not resolve
> 
> > but if i do a nslookup...
> 
> > > set type=mx
> > > reduno.com.mx
> > Server:  dns.unimayab.edu.mx
> > Address:  172.21.14.5
> 
> Do an nslookup on the IP.   It's trying to resolve the IP to a
> name.  Bet someone left out some reverse mapping.
> Does nslookup 172.21.14.5 give a result?  
%nslookup 172.21.14.5
Server:  dns.unimayab.edu.mx
Address:  172.21.14.5

Name:    dns.unimayab.edu.mx
Address:  172.21.14.5  
%nslookup 192.100.183.178
Server:  dns.unimayab.edu.mx
Address:  172.21.14.5

Name:    reduno.reduno.com.mx
Address:  192.100.183.178 

more info from the sendmail -bp
%sendmail -bp
                /var/spool/mqueue (2 requests)
----Q-ID---- --Size-- -----Q-Time----- ------------Sender/Recipient------------
f7DLl4k14756      302 Mon Aug 13 16:47 <Kafpedro@unimayab.edu.mx>
                 (host map: lookup (reduno.com.mx): deferred)
                                       <jcastill@reduno.com.mx>

the email is valid and the domain too, any idea?
David Perez

> 
> 
> -- 
> Bill Vermillion -   bv @ wjv . com
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-isp" in the body of the message
> 

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-isp" in the body of the message