From owner-freebsd-questions@FreeBSD.ORG Fri Mar 19 08:38:20 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 13F09106564A for ; Fri, 19 Mar 2010 08:38:20 +0000 (UTC) (envelope-from m.seaman@infracaninophile.co.uk) Received: from smtp.infracaninophile.co.uk (gate6.infracaninophile.co.uk [IPv6:2001:8b0:151:1::1]) by mx1.freebsd.org (Postfix) with ESMTP id 798808FC0A for ; Fri, 19 Mar 2010 08:38:19 +0000 (UTC) Received: from seedling.black-earth.co.uk (seedling.black-earth.co.uk [81.187.76.163]) (authenticated bits=0) by smtp.infracaninophile.co.uk (8.14.4/8.14.4) with ESMTP id o2J8c7QY048638 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Fri, 19 Mar 2010 08:38:07 GMT (envelope-from m.seaman@infracaninophile.co.uk) Message-ID: <4BA337EF.2070907@infracaninophile.co.uk> Date: Fri, 19 Mar 2010 08:38:07 +0000 From: Matthew Seaman Organization: Infracaninophile User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-GB; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: Warren Block References: <201003190138.o2J1cmlh091501@fix.fantomatic.co.uk> In-Reply-To: X-Enigmail-Version: 1.0.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.95.3 at happy-idiot-talk.infracaninophile.co.uk X-Virus-Status: Clean X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_ADSP_ALL, SPF_FAIL autolearn=no version=3.3.0 X-Spam-Checker-Version: SpamAssassin 3.3.0 (2010-01-18) on happy-idiot-talk.infracaninophile.co.uk Cc: Jamie Griffin , freebsd-questions@freebsd.org Subject: Re: greylisting with sendmail recommendations X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Mar 2010 08:38:20 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 19/03/2010 04:08:45, Warren Block wrote: > On Fri, 19 Mar 2010, Jamie Griffin wrote: >> >> I'm thinking of implementing a greylisting milter for sendmail. I just >> wanted to ask here first to see if anyone has any feedback on which >> one might be the best to go with. I was looking at milter-greylist >> from ports, which seems quite popular, does anyone use this and have >> you found it to be effective? > > It works for me. Article that's a bit old but probably still close: > http://www.wonkity.com/~wblock/docs/greylist.pdf I like spamd from OpenBSD -- this is actually a firewall plugin which intercepts traffic to port 25. Works with any MTA. Not just greylisting, but greytrapping and teergrube. Every time you run obspamd, you make a spammer cry. Cheers, Matthew - -- Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard Flat 3 PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate Kent, CT11 9PW -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.14 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkujN+8ACgkQ8Mjk52CukIzhvACfW3AHSZ1d+QDfTxY2GVV/qy3+ oNYAoIK7n3QCv1TqGiTRqIouAZXsyZan =4t2W -----END PGP SIGNATURE-----