From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 6B9FC138CCF for ; Mon, 11 May 2015 12:39:41 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 2BA98E0875; Mon, 11 May 2015 12:39:34 +0000 (UTC) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id D6DEFE0852 for ; Mon, 11 May 2015 12:39:32 +0000 (UTC) Received: from localhost (sloan0.ut.mephi.ru [85.143.112.33]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: bircoph) by smtp.gentoo.org (Postfix) with ESMTPSA id 0D58A33FEDE for ; Mon, 11 May 2015 12:39:30 +0000 (UTC) Date: Mon, 11 May 2015 15:39:13 +0300 From: Andrew Savchenko To: gentoo-dev@lists.gentoo.org Subject: Re: [gentoo-dev] Anti-spam changes: proposal to drop spammy mail Message-Id: <20150511153913.42ba7a7fecc16a60e80aed63@gentoo.org> In-Reply-To: References: X-Mailer: Sylpheed 3.4.1 (GTK+ 2.24.25; i686-pc-linux-gnu) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-dev@lists.gentoo.org Reply-to: gentoo-dev@lists.gentoo.org Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pgp-signature"; micalg="PGP-SHA512"; boundary="Signature=_Mon__11_May_2015_15_39_13_+0300_1D/IqIG1/ZTg6nT." X-Archives-Salt: 52c782ad-6b9b-432a-8c11-5f6c7ab93359 X-Archives-Hash: 8816ad17a7c1fdd8033c2cefd7b6a097 --Signature=_Mon__11_May_2015_15_39_13_+0300_1D/IqIG1/ZTg6nT. Content-Type: text/plain; charset=US-ASCII Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, On Mon, 11 May 2015 04:26:01 +0000 Robin H. Johnson wrote: > As past long-standing practice, @Gentoo.org system-level mail handling for > incoming mail was officially to tag everything, and delete nothing. >=20 > All deletion decisions were left to developers, via procmail/sieve/etc. >=20 > This was a good early policy, as Gentoo was a much more reliable host than > email providers a decade ago. This isn't true anymore, with the meteoric = rise > and success of gmail. >=20 > A LOT of developers forward their mail now, to systems that refuse/tempor= arily > blacklist the forwarding system because there is a lot of spam. Gmail is > particularly strict in this regard, throttling mail to any recipient from= the > forwarding source. Unconditional adjustment of free software infrastructure for very questionable rules of proprietary product is a very bad idea. > This is particularly acute, because more than 40% of the outgoing mail go= es to > Google (the 25% of destinations below is heavily represented because the = very > active devs send their mail to google). >=20 > This unfortunate combination means that ~40% of mail sits in a backlog fo= r a > long time, and the active devs that use Gmail don't get their mail in a t= imely > fashion. Make this dropping optional: if devs are using gmail and really need that filtering, they can opt-in. Left it opt-out for other devs. Mail filtering is a minefield: too much spam is bad, loosing even single important e-mail due to over restrictive filter is even worse. I've had enough with over restrictive mail servers, e.g. blocking entire countries and ip ranges. I don't want to see Gentoo going that way too. > Unless there are any major objections, as of May 17th, Infra will start > dropping mail that scores more than 10.0 points in Spamassassin. >=20 > If that is successful, I propose to drop the score point by 1 point every= month > until it hits a score of 5.0 (so by mid-October, it will be dropping mail= that > scores more than 5.0). Why so much focus on spamassassin? Why not to use (perhaps in addition) more elegant technologies as the double grey listing? Best regards, Andrew Savchenko --Signature=_Mon__11_May_2015_15_39_13_+0300_1D/IqIG1/ZTg6nT. 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