From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <0e729f108c862316f4357a2874bd90b1@plan9.bell-labs.com> From: David Presotto To: 9fans@cse.psu.edu Subject: Re: SMTP+SPF (was: [9fans] Re: new release?) In-Reply-To: <3281.199.98.20.107.1077754455.squirrel@wish.cooper.edu> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="upas-ugoveazdqgnzrpopockejnxwfc" Date: Wed, 25 Feb 2004 20:25:15 -0500 Topicbox-Message-UUID: f7372720-eacc-11e9-9e20-41e7f4b1d025 This is a multi-part message in MIME format. --upas-ugoveazdqgnzrpopockejnxwfc Content-Disposition: inline Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit I'm currently building support for it into Plan 9. I think its a good idea. It doesn't prevent spam but it makes white lists better. --upas-ugoveazdqgnzrpopockejnxwfc Content-Type: message/rfc822 Content-Disposition: inline Received: from plan9.cs.bell-labs.com ([135.104.9.2]) by plan9; Wed Feb 25 19:23:27 EST 2004 Received: from mail.cse.psu.edu ([130.203.4.6]) by plan9; Wed Feb 25 19:23:24 EST 2004 Received: by mail.cse.psu.edu (CSE Mail Server, from userid 60001) id 0874F19BFE; Wed, 25 Feb 2004 19:23:22 -0500 (EST) Received: from psuvax1.cse.psu.edu (psuvax1.cse.psu.edu [130.203.4.6]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id D707019B19; Wed, 25 Feb 2004 19:23:17 -0500 (EST) X-Original-To: 9fans@cse.psu.edu Delivered-To: 9fans@cse.psu.edu Received: by mail.cse.psu.edu (CSE Mail Server, from userid 60001) id 41BA319BD9; Wed, 25 Feb 2004 19:22:56 -0500 (EST) Received: from wish.cooper.edu (wish.cooper.edu [199.98.16.74]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id BE62119BA7 for <9fans@cse.psu.edu>; Wed, 25 Feb 2004 19:22:51 -0500 (EST) Received: by wish.cooper.edu (Postfix, from userid 94) id 429FF3938; Wed, 25 Feb 2004 19:14:16 -0500 (EST) Received: from wish.cooper.edu (localhost.localdomain [127.0.0.1]) by wish.cooper.edu (Postfix) with SMTP id C23EE3937 for <9fans@cse.psu.edu>; Wed, 25 Feb 2004 19:14:15 -0500 (EST) Received: from pnp107.ee.cooper.edu ([199.98.20.107]) (SquirrelMail authenticated user salomo3) by wish.cooper.edu with HTTP; Wed, 25 Feb 2004 19:14:15 -0500 (EST) Message-ID: <3281.199.98.20.107.1077754455.squirrel@wish.cooper.edu> In-Reply-To: <5650c97bcaa9d357e77eb3396c1eb368@collyer.net> References: <5650c97bcaa9d357e77eb3396c1eb368@collyer.net> Subject: SMTP+SPF (was: [9fans] Re: new release?) From: "Joel Salomon" To: 9fans@cse.psu.edu User-Agent: SquirrelMail/1.4.0 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 X-Priority: 3 Importance: Normal Sender: 9fans-admin@cse.psu.edu Errors-To: 9fans-admin@cse.psu.edu X-BeenThere: 9fans@cse.psu.edu X-Mailman-Version: 2.0.11 Precedence: bulk Reply-To: 9fans@cse.psu.edu List-Id: Fans of the OS Plan 9 from Bell Labs <9fans.cse.psu.edu> List-Archive: Date: Wed, 25 Feb 2004 19:14:15 -0500 (EST) X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on psuvax1.cse.psu.edu X-Spam-Status: No, hits=0.8 required=5.0 tests=PRIORITY_NO_NAME autolearn=no version=2.63 X-Spam-Level: Geoff Collyer said: > I've been contributing anti-spam machinery for smtpd, and have some > other code and ideas stalled by lack of time and not-quite-complete > IPv6 support in Plan 9. So far none of the strongly-hyped anti-spam > ideas keep the spam from reaching one's machine in the first place, > and I know how to do that, it's just going to take some time to do it. > Does anyone here have an opinion (yes ;-) ) on SMTP+SPF? http://spf.pobox.com/ It *claims* to be a sufficient patch on SMTP to ensure that the sender of an email is a real person from a responsible ISP. --Joel --upas-ugoveazdqgnzrpopockejnxwfc--