Date: Tue, 25 Nov 1997 23:20:19 -0800 From: "Jordan K. Hubbard" <jkh@time.cdrom.com> To: "Gary Palmer" <gpalmer@FreeBSD.ORG> Cc: "Jonathan M. Bresler" <jmb@FreeBSD.ORG>, chat@hub.freebsd.org Subject: Re: major push by spammers? Message-ID: <18314.880528819@time.cdrom.com> In-Reply-To: Your message of "Wed, 26 Nov 1997 02:15:01 EST." <17085.880528501@orion.webspan.net>
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Hmmm. What would be a better code if one simply wished to toss it away? And I wonder if running a caching named on mail.freebsd.org wouldn't perhaps be a good idea, if only to avoid the scenario of temporary DNS outtages. Would it even help? Jordan > "Jordan K. Hubbard" wrote in message ID > <18179.880528244@time.cdrom.com>: > > > Are you sending the temp fail return code? If so, then a lot of them > > > will be repeat sends of the same spam. > > > > I'm using the standard checks in /usr/src/etc/mail/sendmail.cf.additions - it > > *looks* like a proper failure is generated on a reject, but I'm not > > enough of a sendmail god to know for sure. > > 451 is a temporary error code. It allows the mail to be retried later > incase of DNS failures or net splits to cause a valid DNS entry to > become unavailable. > > Gary > -- > Gary Palmer FreeBSD Core Team Member > FreeBSD: Turning PC's into workstations. See http://www.FreeBSD.ORG/ for info
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