Date: Tue, 5 Aug 2003 10:37:37 +1200 From: Jonathan Chen <jonc@chen.org.nz> To: Stephen Hovey <shovey@buffnet.net>, freebsd-questions@freebsd.org Subject: Re: Sendmail/wrappers question Message-ID: <20030804223737.GA78859@grimoire.chen.org.nz> In-Reply-To: <20030804211522.GA13520@happy-idiot-talk.infracaninophile.co.uk> References: <Pine.BSF.4.05.10308041708510.15797-100000@buffnet11.buffnet.net> <20030804211522.GA13520@happy-idiot-talk.infracaninophile.co.uk>
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On Mon, Aug 04, 2003 at 10:15:22PM +0100, Matthew Seaman wrote: > On Mon, Aug 04, 2003 at 05:09:56PM -0400, Stephen Hovey wrote: > > > > whats the surest way to prevent mail hosts with no reverse dns from being > > able to connect/send email? > > > > The hosts.allow example seem more accurately ident'ing and refusing than > > check there is a reverse dns. > > > > Any insight is appreciated! :) > > That's been covered on this list fairly recently: > > http://freebsd.rambler.ru/bsdmail/freebsd-questions_2003/msg23474.html And be aware that there are quite a few legitimate small servers out there that _don't_ have a reverse DNS set up.. However, having said that, the rules block a *LOT* of spam from China and Korea. Cheers. -- Jonathan Chen <jonc@chen.org.nz> ---------------------------------------------------------------------- "I don't want to achive immortality through my works.. I want to achieve it through not dying" - Woody Allen
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