Date: Sun, 19 May 2013 02:33:49 +0100 From: RW <rwmaillists@googlemail.com> To: freebsd-questions@freebsd.org Subject: Re: List Spam Filtering Message-ID: <20130519023349.112cd45d@gumby.homeunix.com> In-Reply-To: <20130517091535.03fd7442@scorpio> References: <201305110134.r4B1Yl8q089784@fire.js.berklix.net> <5195582D.10404@cran.org.uk> <20130517064233.7d34e4cf@scorpio> <51961A75.6060605@cran.org.uk> <20130517131932.03450167@gumby.homeunix.com> <20130517084529.57f67259@scorpio> <20130517140301.38d772cc@gumby.homeunix.com> <20130517091535.03fd7442@scorpio>
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On Fri, 17 May 2013 09:15:35 -0400 Jerry wrote: > On Fri, 17 May 2013 14:03:01 +0100 > RW articulated: > > > On Fri, 17 May 2013 08:45:29 -0400 > > Jerry wrote: > > > > > On Fri, 17 May 2013 13:19:32 +0100 > > > RW articulated: > > > > > > > On Fri, 17 May 2013 12:54:29 +0100 > > > > Bruce Cran wrote: > > > > > > > > > Yes, seriously. Have you seen the number of people who post > > > > > messages "PLEASE REMOVE ME FROM THIS MAILING LIST!!", > > > > > apparently not understanding how to manage their subscription? > > > > > > > > There's also the likelyhood that reluctant subscribers are less > > > > likely to take care about avoiding various types of backscatter. > > > > > > Well, unless the reluctant subscriber is running an incorrectly > > > configured MTA, I don't see a problem with "backscatter". Now, if > > > they do have a maladjusted MTA, they have more problems then just > > > subscribing to a list. > > > > Out of Office replies, sieve rejects, anti-spam challenges etc > > Yes, an incorrectly configured MTA or one of its milters. Not especially > There are > ways to deal with these assholes. Only some of it, and there's no general way of dealing with the out-of-list component. > Allowing a blanket "open-door" > policy is like setting file permissions on everything to 0777 just > because you are to lazy to find a correct solution to a problem. Actually requiring subscription is pretty much like setting 0777, it's really only a protection against accidental list spamming. If a spammer actually wanted to spam lists he could harvest subscribed addresses, or simply subscribe.
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