From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1M9O83-0002Ep-L7 for garchives@archives.gentoo.org; Wed, 27 May 2009 18:45:31 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 26AD7E0438; Wed, 27 May 2009 18:45:31 +0000 (UTC) Received: from qw-out-1920.google.com (qw-out-1920.google.com [74.125.92.146]) by pigeon.gentoo.org (Postfix) with ESMTP id 098BBE0438 for ; Wed, 27 May 2009 18:45:31 +0000 (UTC) Received: by qw-out-1920.google.com with SMTP id 5so1171215qwf.10 for ; Wed, 27 May 2009 11:45:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :user-agent:mime-version:to:subject:references:in-reply-to :content-type:content-transfer-encoding; bh=GrfBZafZFzMqOvHrdXNETAOxh0SM+PWxTZSBHbO6E4o=; b=jEWXADim4GbJm6HIiMvnfCdqvb5S/A6E1xO7lILSwPZI7llF+La1YNybTC2JFQx0ij Su0PPgieVdhqvpYaehJdn/8VC+FPS+TFAEeJ3oOkinDxCOE1u55zdDEL7ZOIiWVfqxy8 Y9HJvtDSr+tEEBzKhvSL3goeO7Ssw1yhC7PhA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; b=OsG76Hbp2dWqCjhoM83AVdLVzO1jKV4F2mVHkNo+5dAVFLpF5j1P9oygdvCQmQhv0s F9RgT3Zv67/6wRvJWHn6q2xw0GPAlYOu1pXYx2I7Zmw7BU4HpVc4Mz24jqQhjJxJHNDF yUfNXDDq+0qJpG1ElELy1dSGRIsfQVkreZgKQ= Received: by 10.224.2.75 with SMTP id 11mr462045qai.3.1243449930739; Wed, 27 May 2009 11:45:30 -0700 (PDT) Received: from ?64.89.164.23? (r164h23.dixie-net.com [64.89.164.23]) by mx.google.com with ESMTPS id 2sm36457qwi.13.2009.05.27.11.45.28 (version=SSLv3 cipher=RC4-MD5); Wed, 27 May 2009 11:45:29 -0700 (PDT) Message-ID: <4A1D8A44.3090101@gmail.com> Date: Wed, 27 May 2009 13:45:24 -0500 From: Dale User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.21) Gecko/20090519 SeaMonkey/1.1.16 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Project discussion list X-BeenThere: gentoo-project@lists.gentoo.org MIME-Version: 1.0 To: gentoo-project@lists.gentoo.org Subject: Re: [gentoo-project] Spam reduction proposal - switching lists to a web-form for subscription References: <4A1D6C7C.7090605@gentoo.org> In-Reply-To: <4A1D6C7C.7090605@gentoo.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Archives-Salt: 71d2b33d-2610-4c99-a424-0e030dc59262 X-Archives-Hash: c1181fa14f2a97011f8829e6f6012708 Petteri R=C3=A4ty wrote: > Robin H. Johnson wrote: > =20 >> Lately we've been seeing a LOT of spam being sent to the mailing list >> subscribe mechanism, with the side effect that the subscribe mechanism >> responds to the From header address with a confirmation request. That >> address (along with the envelope sender) are unfortunately forged. >> >> The volume of the confirmation requests is getting worse than direct >> spams, because the spam filtering considers the confirmation requests = to >> be valid email (they would be, except for the fact they are >> unsolicited). >> >> To combat this problem, I'd like us to consider switching the subscrib= e >> mechanism for the mailing lists to be a web form (protected with >> recaptcha). Unsubscribe will continue to be offered as an email action >> for the moment, because it ignores the mail if the address was not >> subscribed. >> >> =20 > > I have no objection to this one as I have been receiving quite a few of > these... > > Regards, > Petteri > > =20 Is there something besides a captcha that can be used? I hate those things because they make no sense to me. I usually just give up when I encounter one of these and try three or four times with no success. The ones that look like broken glass or something are the ones I don't even try anymore. I can't get past one of those. Just curious if there is a better way here. Dale :-) :-)