Date: Wed, 28 Jan 1998 15:35:46 -0800 (PST) From: "Jonathan M. Bresler" <jmb> To: fbsdlist@federation.addy.com (Cliff Addy) Cc: dan@dpcsys.com, questions@FreeBSD.ORG Subject: Re: Stopping mail relaying (again) Message-ID: <199801282335.PAA17137@hub.freebsd.org> In-Reply-To: <Pine.BSF.3.95q.980128171042.17011A-100000@federation.addy.com> from Cliff Addy at "Jan 28, 98 05:14:10 pm"
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Cliff Addy wrote: > On Wed, 28 Jan 1998, Dan Busarow wrote: > > > On Wed, 28 Jan 1998, Cliff Addy wrote: > > > According to the anti-relaying stuff on sendmail.org, this will stop > > > relaying if placed in sendmail.cf: > > > > Use Claus Assman's rules. See http://www.beach.net/~dan for > > the URL and some notes on how the rules work. > > Like all the others, this seems to assume that I know what ip addresses > spam is coming from. I don't, my clients can be ANYWHERE. I need to > reject email based on their return or sending addresses, NOT the ip. I > need to have a file with a list of "allowed" domain names. If abc.com is > in the file, then mail to or from abc.com is allowed, REGARDLESS of > whether the sending machine is abc.com is filtering on the envelope-from address acceptable to you? the check_mail rules will do this. chewck_mail examines the "MAIL FROM:" address the sending machine is ${client_addr} and ${client_name} jmb
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