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Date:      Tue, 14 Apr 1998 16:48:44 +0930
From:      Greg Lehey <grog@lemis.com>
To:        Jeff & Hillary Jones <kf7nn@mutsgo.dyn.ml.org>, questions@FreeBSD.ORG
Subject:   Re: domain resolve for email
Message-ID:  <19980414164844.I1870@freebie.lemis.com>
In-Reply-To: <199804140638.BAA07205@mutsgo.dyn.ml.org>; from Jeff & Hillary Jones on Tue, Apr 14, 1998 at 01:38:07AM -0500
References:  <199804140638.BAA07205@mutsgo.dyn.ml.org>

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On Tue, 14 April 1998 at  1:38:07 -0500, Jeff & Hillary Jones wrote:
> another newbie question...
>
> I would like to know how to make it so my email accounts
> do not get mail from unresolveable hosts just like
> this list.
>
> all i know is it probably has to be done in sendmail.cf
> but i need the code for the change.

I'm no longer sure that this is a good idea.  Over the last couple of
days I have set up a mailing list, and I find that a large number of
legitimate users have transient problems in their reverse lookup (not
their fault, nor of anybody in their domain).  The result is that mail
to or from them bounces.  I've taken mine out as a result.

There are lots of pointers to anti-spam stuff.  Check out
http://www.sendmail.org/ for the most authentic.

Greg

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