Date: Wed, 28 Jan 1998 15:29:58 -0800 (PST) From: Dan Busarow <dan@dpcsys.com> To: Cliff Addy <fbsdlist@federation.addy.com> Cc: questions@FreeBSD.ORG Subject: Re: Stopping mail relaying (again) Message-ID: <Pine.UW2.3.95.980128150327.20796F-100000@cedb> In-Reply-To: <Pine.BSF.3.95q.980128171042.17011A-100000@federation.addy.com>
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On Wed, 28 Jan 1998, Cliff Addy wrote: > > 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. No, it assumes you know what addresses you consider local to your system. As an added bonus, if you also happen to know the netblocks of a spammer you can easily reject them here. > 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 The IP address tests at the beginning of Claus' rules are a very convenient short cut before getting into the more expensive tests that follow. The rules do provide for testing recipient domains against a list of names. The rules do assume that you only allow users on your network to _originate_ mail and LocalIP handles that very well. If you want to allow a client who uses an, eg, AOL dialup to send mail using your mail server use the rules from http://hexadecimal.uoregon.edu/antirelay/ > I know this may sound a little testy, but I'm getting lots of email along > the lines of "hey, dumbass, use the rules posted on xxxx" when those > rulesets don't address my needs at all. You need to phrase your question better. I don't remember your saying that you wanted a client to be able to use your server from any account, anywhere. You may have, but I don't remember it. Dan -- Dan Busarow 714 443 4172 DPC Systems / Beach.Net dan@dpcsys.com Dana Point, California 83 09 EF 59 E0 11 89 B4 8D 09 DB FD E1 DD 0C 82
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