ensure email reading

[john_zakaria]

How can I ensure that the user read the e-mail?
i want to be sure that the user reads the email using php.. by sending for me a feedback on my mail that the user reads the mail ..

[rse]

You could perhaps use like newsletter software does and use image beacons. I believe you can set the image location as a PHP script with an embedded ID code or something, so the email client would try and download "the image" and thus verify that the email has been opened.

I don't have any code examples but I hope this gives you an idea anyway.

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