From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3b007b5e4fc72ef9d2efcf60e3912d4b@plan9.bell-labs.com> From: David Presotto To: 9fans@cse.psu.edu Subject: Re: [9fans] spam originating from a Plan 9 installation In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Sun, 16 Nov 2003 12:02:53 -0500 Topicbox-Message-UUID: 8b020fde-eacc-11e9-9e20-41e7f4b1d025 it's with your configuration. all mail transiting your system is sent by none. you want an smtpd config that disallows forwarding. here's ours: % cat /mail/lib/smtpd.conf # # smtpd configuration options for external gateway # change verifysenderdom & saveblockedmsg when dirty converted # defaultdomain plan9.bell-labs.com norelay on #turn off relaying verifysenderdom on #dns verification of sender domain saveblockedmsg on #save blocked messages # # networks that are allowed to relay through us # ournets 135.104.0.0/16 #mh ournets 135.180.0.0/16 #ho ournets 204.178.16.5/32 #www.bell-labs.com ournets 204.178.16.6/32 #dirty.bell-labs.com ournets 204.178.16.43/32 #www1.bell-labs.com ournets 204.178.16.49/32 #crufty.research.bell-labs.com # # domains that we will accept mail for # these must match the rewrite rules # ourdomains *.lucent.com, *.bell-labs.com ourdomains [204.178.31.2] #achille ourdomains ampl.com #dmg ourdomains *.wavelet.org #wim ourdomains closedmind.org #presotto ourdomains huygens.org #sape ourdomains mullender.nl #sape