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 1M9MYU-0001s9-TP for garchives@archives.gentoo.org; Wed, 27 May 2009 17:04:43 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 4BB21E064E; Wed, 27 May 2009 17:04:42 +0000 (UTC) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) by pigeon.gentoo.org (Postfix) with ESMTP id 2CCD4E064E for ; Wed, 27 May 2009 17:04:42 +0000 (UTC) Received: from [192.168.1.213] (74-92-132-138-WashingtonDC.hfc.comcastbusiness.net [74.92.132.138]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by smtp.gentoo.org (Postfix) with ESMTP id 91B6F65396 for ; Wed, 27 May 2009 17:04:41 +0000 (UTC) Subject: Re: [gentoo-project] Spam reduction proposal - switching lists to a web-form for subscription From: Ferris McCormick To: gentoo-project In-Reply-To: References: Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-pEQ3d75MsGiXFTu2CQ0M" Organization: gentoo developer Date: Wed, 27 May 2009 17:04:39 +0000 Message-Id: <1243443879.31661.43.camel@liasis.inforead.com> 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 X-Mailer: Evolution 2.24.5 X-Archives-Salt: 0e99a9ef-20bf-4961-b24e-9d58ae8c2037 X-Archives-Hash: 93aa1f2f7143a9dae65800c097825281 --=-pEQ3d75MsGiXFTu2CQ0M Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Wed, 2009-05-27 at 09:28 -0700, Robin H. Johnson wrote: > 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. >=20 > 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). >=20 > To combat this problem, I'd like us to consider switching the subscribe > 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. Fine with me. I've been getting quite a few of these lately, and since I sometimes do subscribe to new lists, I have to look at them before discarding. Regards, Ferris --=20 Ferris McCormick (P44646, MI) Developer, Gentoo Linux (Sparc, Userrel, Trustees) --=-pEQ3d75MsGiXFTu2CQ0M Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.11 (GNU/Linux) iEYEABECAAYFAkodcqcACgkQQa6M3+I///dlOQCeKoX9CQtfcskCfJDA4Y1iryl8 9kgAniM72ffu7/1n1sx2De7wYDDj6LLB =4JQF -----END PGP SIGNATURE----- --=-pEQ3d75MsGiXFTu2CQ0M--