On 5 March 2012 21:16, Walter Lee Davis <[email protected]> wrote: > > On Mar 5, 2012, at 3:54 PM, Marcelo G. Silva wrote: > >> the problem is that I need to create this type of service, like the >> MailChimp. > > Then you're going to have to solve the same problems they have. > > The usual way to figure out if someone has opened a mail message is to add a > "beacon" image to it. You add a 1x1px image in the body of the e-mail message > linked from your server, and use the path to that image to convey a code. > <img src="http://example.com/tracker/asdfs78223/pixel.gif"; /> Another spin on > this is to add the token to each regular image in your layout. You make up > these tokens when you send out the message, so you know that asdfs78223 == > [email protected]. > > Back in Rails, you create a route for this image, and serve the image but > also record the request in your database.
And in practice of course it doesn't work very well as a lot of people have their mailer set to not automatically show images. In fact I think everyone who realises that they /can/ set their mailer up like that does, for precisely the reason that we don't want people snooping on us. Colin -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
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