Date: Wed, 19 Nov 1997 20:58:00 -0500 (EST) From: "Matthew N. Dodd" <winter@jurai.net> To: "Brian N. Handy" <handy@sag.space.lockheed.com> Cc: Sean Eric Fagan <sef@kithrup.com>, hackers@freebsd.org Subject: Re: Mail spam, sigh... Message-ID: <Pine.BSF.3.95q.971119205547.8472e-100000@sasami.jurai.net> In-Reply-To: <Pine.OSF.3.96.971119134002.16820D-100000@sag.space.lockheed.com>
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On Wed, 19 Nov 1997, Brian N. Handy wrote: > I'd also like an easy-drop-in-way to drop email from sites that don't show > up in the nameserver. (Maybe this is easy, I haven't done my research.) Svalid_host # check for valid domain name R$* $: <?> $>3 $1 R<?> $* < @ $+ . > $: $1 @ $2 R<?> $* < @ $+ > $#error $@ 4.5.1 $: "451 Domain must resolve" I'm still working on one that checks forward and reverse and fusses if they do not match. /* Matthew N. Dodd | A memory retaining a love you had for life winter@jurai.net | As cruel as it seems nothing ever seems to http://www.jurai.net/~winter | go right - FLA M 3.1:53 */
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