From: Diego Bernardes Date: 2010-08-14T02:07:49+09:00 Subject: Re: Fast proxy Brian Candler wrote: > Diego Bernardes wrote: >> About that, yes, its true, most mail block external images. But is the >> only way i can know if the user has read or not the mail. >> And the list is send to people who wants the mail, they trust in the >> mail content. >> Have any other way to track the mails? > > Not really. Some mailers will honour requests for return receipts, but > they will pop up a dialog first asking the user if they're happy to send > it back. > > The best I can think of is that you could put the content they're > looking for on a web page, then just E-mail them a short message with > the link. e.g. "Click here to read this month's newsletter". Include a > unique cookie in the link, e.g. as a query parameter. Then you can tell > if they clicked through or not. > > The real question is, what problem are you trying to solve by > determining whether the user opened the mail or not? > > If the problem is a commercial one (e.g. your customer wants to pay you > based on the number of E-mails opened, not the number of E-mails > delivered) then you could use surveys or statistical samples to estimate > what proportion of their E-mails is opened. In other words, a bit like > TV viewer figures. > > B. The issue is, this system deal with marketing mail, know if the user has open mail is useful to my client for a lot of reasons, like, later this numbers turn into reports so they can discuss a new strategy and so. And yea its a good idea to direct the user to a website using some query string to track. Diego. -- Posted via http://www.ruby-forum.com/.