Date: Wed, 29 Jul 1998 21:13:23 -0600 From: Nate Williams <nate@mt.sri.com> To: Peter Wemm <peter@netplex.com.au> Cc: Nate Williams <nate@mt.sri.com>, Sean Eric Fagan <sef@kithrup.com>, committers@FreeBSD.ORG Subject: Re: sendmail 8.9.x Message-ID: <199807300313.VAA01265@mt.sri.com> In-Reply-To: <199807300308.LAA04703@spinner.netplex.com.au> References: <199807292333.RAA00686@mt.sri.com> <199807300308.LAA04703@spinner.netplex.com.au>
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[ FEATURE(relay_based_on_MX) ] ... > What the second doesn't stop, is if somebody "out there" decides to list > your.machine.com as a fallback MX for their.domain.com. If they go down, > your machine will start getting mail in it's queue even though you've > never heard of them before. Couldn't this cause email to be sent *from* your machine if you setup your domain to never have it's 'domain.com' machine ever accept email, thus causing your machine to get spammed by the email being generated for 'spam.com'. Nate
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