From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.emacs.gnus.general/41742 Path: main.gmane.org!not-for-mail From: Simon Josefsson Newsgroups: gmane.emacs.gnus.general Subject: Re: Return Receipts Date: Tue, 08 Jan 2002 00:55:52 +0100 Sender: owner-ding@hpc.uh.edu Message-ID: References: <86pu4r5cd4.fsf@jamestown.21stcentury.net> <86pu4q3ilk.fsf@jamestown.21stcentury.net> NNTP-Posting-Host: coloc-standby.netfonds.no Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: main.gmane.org 1035177093 7754 80.91.224.250 (21 Oct 2002 05:11:33 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Mon, 21 Oct 2002 05:11:33 +0000 (UTC) Cc: ding@gnus.org Return-Path: Original-Received: (qmail 548 invoked from network); 7 Jan 2002 23:58:15 -0000 Original-Received: from malifon.math.uh.edu (mail@129.7.128.13) by mastaler.com with SMTP; 7 Jan 2002 23:58:15 -0000 Original-Received: from sina.hpc.uh.edu ([129.7.128.10] ident=lists) by malifon.math.uh.edu with esmtp (Exim 3.20 #1) id 16Nje8-0001tE-00; Mon, 07 Jan 2002 17:57:40 -0600 Original-Received: by sina.hpc.uh.edu (TLB v0.09a (1.20 tibbs 1996/10/09 22:03:07)); Mon, 07 Jan 2002 17:57:33 -0600 (CST) Original-Received: from sclp3.sclp.com (qmailr@sclp3.sclp.com [209.196.61.66]) by sina.hpc.uh.edu (8.9.3/8.9.3) with SMTP id RAA07418 for ; Mon, 7 Jan 2002 17:57:21 -0600 (CST) Original-Received: (qmail 541 invoked by alias); 7 Jan 2002 23:57:23 -0000 Original-Received: (qmail 536 invoked from network); 7 Jan 2002 23:57:23 -0000 Original-Received: from 178.230.13.217.in-addr.dgcsystems.net (HELO yxa.extundo.com) (217.13.230.178) by gnus.org with SMTP; 7 Jan 2002 23:57:23 -0000 Original-Received: from localhost.localdomain ([195.42.214.241]) (authenticated bits=0) by yxa.extundo.com (8.12.1/8.12.1) with ESMTP id g07Nv7lu030087; Tue, 8 Jan 2002 00:57:12 +0100 Original-To: hammond@csc.albany.edu (William F. Hammond) In-Reply-To: (hammond@csc.albany.edu's message of "07 Jan 2002 18:18:32 -0500") Mail-Copies-To: nobody Original-Lines: 30 User-Agent: Gnus/5.090005 (Oort Gnus v0.05) Emacs/21.1.50 (i686-pc-linux-gnu) Precedence: list X-Majordomo: 1.94.jlt7 Xref: main.gmane.org gmane.emacs.gnus.general:41742 X-Report-Spam: http://spam.gmane.org/gmane.emacs.gnus.general:41742 hammond@csc.albany.edu (William F. Hammond) writes: > Doesn't it pose risks if a user inadvertently opens spam? DSN opens up to all kind of privacy threats, so it shouldn't be enabled by default. OTOH I think it might be useful in some situations (especially if you are in a Windows environment where someone expects you to return a receipt). > The least of these might be a spammer who queues the user for more > spam every time a return-receipt comes in. There are some (limited) discussion about sanity checks that should be performed in RFC 2289 (section 2.1). > Alternatively, it's very easy for a user to wire a keystroke to a > boiler-plate acknowledgement by writing a little elisp. So maybe that > could be provided for users who want to be able to use a keystroke to > honor a return-receipt request. If so, the request needs to be made > plain to the user, but, pretty please, no prompt, or, at worst, a > user configurable return-receipt-request display-mode like 0=hide, > 1=show, 2=prompt. Yes, a prompt like this could work. A prompt is quite obtrusive though, maybe just a button that says the sender requested a notification, and you can press the button to send it. One point of DSN is that the receipt is in machine readable format, multipart/report, a boiler-plate acknowledgement wouldn't achieve the same thing.