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Date:      Thu, 4 Jan 2001 21:02:22 +0530
From:      Suresh Ramasubramanian <mallet@efn.org>
To:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Sendmail Refuses valid email.
Message-ID:  <20010104210222.A27153@oyeindia.com>
In-Reply-To: <5.0.2.1.2.20010104081307.024a7220@127.0.0.1>; from redwards@meccamediagroup.com on Thu, Jan 04, 2001 at 08:23:27AM -0700
References:  <5.0.2.1.2.20010104081307.024a7220@127.0.0.1>

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Rolf Edwards rearranged electrons thusly:

> My sendmail is rejecting email for some strange reason.  I am not sure 
> exactly why it is refusing this particular email.
> The host that it is coming from is "131.137.96.18" which resolves into 
> "mail.dnd.ca".  The only thing that I can see is that dnd.ca is different 
> than the originating host.  But at the same time there is a MX record for 
> dnd.ca as follows:
 
dnd.ca seems to be returning a SERVFAIL from several nameservers ... the others
resolve, however, dnd.ca doesnt resolve

	--suresh

> Non-authoritative answer:
> dnd.ca  preference = 10, mail exchanger = mail.dnd.ca

> Jan  3 08:08:53 charizard sendmail[8344]: f03F8qT08344: ruleset=check_mail, 
> arg1=<blah@dnd.ca>, relay=mail.dnd.ca [131.137.96.18], reject=451 4.1.8 
> <blah@dnd.ca>... Domain of sender address blah@dnd.ca does not resolve
> Jan  3 08:08:53 charizard sendmail[8344]: f03F8qT08344: from=<blah@dnd.ca>, 
> size=1326, class=0, nrcpts=0, proto=ESMTP, daemon=MTA, relay=mail.dnd.ca 
> [131.137.96.18]
 
-- 
Suresh Ramasubramanian  <-->  mallet <at> efn <dot> org
EMail Sturmbannfuhrer, Lower Middle Class Unix Sysadmin


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