From owner-freebsd-questions@freebsd.org Fri Jan 13 00:35:38 2017 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 12A28CAC355 for ; Fri, 13 Jan 2017 00:35:38 +0000 (UTC) (envelope-from galtsev@kicp.uchicago.edu) Received: from cosmo.uchicago.edu (cosmo.uchicago.edu [128.135.20.71]) by mx1.freebsd.org (Postfix) with ESMTP id C6D2518EB for ; Fri, 13 Jan 2017 00:35:37 +0000 (UTC) (envelope-from galtsev@kicp.uchicago.edu) Received: by cosmo.uchicago.edu (Postfix, from userid 48) id 5AA2FCB8C9E; Thu, 12 Jan 2017 18:35:36 -0600 (CST) Received: from 128.135.52.6 (SquirrelMail authenticated user valeri) by cosmo.uchicago.edu with HTTP; Thu, 12 Jan 2017 18:35:36 -0600 (CST) Message-ID: <33158.128.135.52.6.1484267736.squirrel@cosmo.uchicago.edu> In-Reply-To: <62a3cbd1-e4c2-3829-208d-7e859d81d9e7@pinyon.org> References: <2463a238-e10f-e81d-cab1-5a7eaf774590@pinyon.org> <20170111210507.2dc39818c6e9d439abb21ee6@sohara.org> <1598f8c4238.279b.0b331fcf0b21179f1640bd439e3f4a1e@tundraware.com> <41546.128.135.52.6.1484176714.squirrel@cosmo.uchicago.edu> <62a3cbd1-e4c2-3829-208d-7e859d81d9e7@pinyon.org> Date: Thu, 12 Jan 2017 18:35:36 -0600 (CST) Subject: Re: spamassassin not lethal anymore From: "Valeri Galtsev" To: "Russell L. Carter" Cc: freebsd-questions@freebsd.org Reply-To: galtsev@kicp.uchicago.edu User-Agent: SquirrelMail/1.4.8-5.el5.centos.7 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Jan 2017 00:35:38 -0000 On Thu, January 12, 2017 3:58 pm, Russell L. Carter wrote: > On 01/11/17 16:18, Valeri Galtsev wrote: >> >> On Wed, January 11, 2017 4:00 pm, Tim Daneliuk wrote: >>> Milter greylist also helps considerably >>> >> >> I'm usually using sqlgrey for greylisting. In addition to that I'm using >> amavisd (that harnesses spamassassin, clamav (and/or other anti-viruses, >> - >> yes, I have windows people receiving their mail on our UNIX servers), >> and >> variety of distributed spam signature databases. Also, in postfix >> configuration (that we use as MTA) we add some RBLs: >> >> reject_rbl_client zen.spamhaus.org, >> reject_rbl_client bl.spamcop.net, >> reject_rbl_client cbl.abuseat.org, >> >> I hope, this helps. > > I had hoped I wouldn't need to do a deep dive on state-of-the-art > spam killing, but it's 2017 and the game has gotten tougher. > > Thanks for these suggestions. I'm implementing greylisting, pyzor, > razor, and the above client_recipient_restrictions. dcc I don't > quite understand yet. In our case amavid harnesses spamassassin, pyzor, razor and dcc (at least in one case we have local copy of dcc thus diminishing our traffic to them). I should have mention these explicitly... Valeri > > I think I'll phase this stuff in, with greylisting first, and see > what happens to the spam flow for each step. I am a little wary > of putting even more chunks of perl and python into the critical > path. > > Thanks a lot for the help, everyone. > > Russell > (I just had a sad laugh recalling that I used to set up a mail server > in 1995 using sendmail... and nothing else but exmh as the client) > >> Valeri >> >> >>> >>> _______________________________________________ >>> freebsd-questions@freebsd.org mailing list >>> https://lists.freebsd.org/mailman/listinfo/freebsd-questions >>> To unsubscribe, send any mail to >>> "freebsd-questions-unsubscribe@freebsd.org" >>> >> >> >> ++++++++++++++++++++++++++++++++++++++++ >> Valeri Galtsev >> Sr System Administrator >> Department of Astronomy and Astrophysics >> Kavli Institute for Cosmological Physics >> University of Chicago >> Phone: 773-702-4247 >> ++++++++++++++++++++++++++++++++++++++++ >> _______________________________________________ >> freebsd-questions@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-questions >> To unsubscribe, send any mail to >> "freebsd-questions-unsubscribe@freebsd.org" >> > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" > ++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++