From owner-freebsd-questions Sat Apr 21 8:27:50 2001 Delivered-To: freebsd-questions@freebsd.org Received: from earth.wnm.net (earth.wnm.net [208.246.240.243]) by hub.freebsd.org (Postfix) with ESMTP id 2DEC637B422 for ; Sat, 21 Apr 2001 08:27:47 -0700 (PDT) (envelope-from alex@wnm.net) Received: from localhost (alex@localhost) by earth.wnm.net (8.11.0/8.11.0) with ESMTP id f3LFTrB77257; Sat, 21 Apr 2001 10:29:53 -0500 (CDT) Date: Sat, 21 Apr 2001 10:29:53 -0500 (CDT) From: Alex Charalabidis To: Sheldon Hearn Cc: Subject: Re: Detecting mail client capabilities In-Reply-To: <92566.987860344@axl.fw.uunet.co.za> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Sat, 21 Apr 2001, Sheldon Hearn wrote: > > Hi folks, > > I'm embarrassed to ask this, but the folks I'm doing some work for > insist that it's possible, so here goes... > > Is there teechnology available that allows one to determine what the > rendering capabilities of a customers e-mail client are without the > customer having explicitly sent one mail from that client? > > My employer's confirmation process for their opt-in mailing list > requires the customer to click on a web URL within their mail message. > When they hit that URL, confirmation is registered. > From what I understand, there is an HTTP transaction involved before the subscription. Correct me if I'm misunderstanding. This has potential. I suppose you could extract user agent, system and display information from the HTTP request--all those javascript-enabled web browsers volunteer plenty of information--and use the data to make an educated guess which will be correct 98% of the time. That's the sort of "high technology" I suspect powers the miracle of modern computing this other company claims to have. But then I may be wrong and they could have found the Programmer's Stone. -ac -- =================================================================== Alex Charalabidis Worldspice Technologies 5050 Poplar Ave. Memphis, TN, USA +1 901 432 6000 Opinions expressed are mine alone but may be yours for a small fee. =================================================================== To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message