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Date:      Tue, 20 Jul 1999 09:44:47 +0930
From:      Greg Lehey <grog@lemis.com>
To:        joe@team7.cba.ualr.edu
Cc:        Michael Hill <msh@qadas.com>, freebsd-questions@FreeBSD.ORG
Subject:   Re: Warning: could not send message for past 4 hours (fwd)
Message-ID:  <19990720094447.P72885@freebie.lemis.com>
In-Reply-To: <Pine.LNX.4.10.9907191654280.1235-100000@njal.ualr.edu>; from joe@team7.cba.ualr.edu on Mon, Jul 19, 1999 at 04:59:30PM -0500
References:  <19990719152426.53394@qadas.com> <Pine.LNX.4.10.9907191654280.1235-100000@njal.ualr.edu>

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On Monday, 19 July 1999 at 16:59:30 -0500, joe@team7.cba.ualr.edu wrote:
> On Mon, 19 Jul 1999, Michael Hill wrote:
>
>> I am trying to send a message asking for help with a kernel error message
>> I'm seeing.  Unfortunately, your domain seems to be refusing my contact
>> because it's originating from a machine whose DNS information is not
>> published outside our corporate firewall.  How am I supposed to get mail
>> through if my sendmail is configured to contact the destination address
>> directly, and your sendmail is refusing it because it can't do a reverse
>> lookup?  Note:  I am sending this from an external ISP to get it through;
>> however, please reply to my original address as seen in the line below.
>
> I had the same problem and corrected by adding the following to my
> /etc/sendmail.cf file:
>
> Djteam7.cba.ualr.edu
>
> Of course you would need to put whatever the hostname of your mail server
> is there then restart sendmail.

This won't help if you're behind a firewall.  And, of course, it's not
immediately obvious what Michael would have to do.

Greg
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