Nowadays, 99% of email clients (including Outlook, and the big web mail clients, hotmail, yahoo, etc) won't load images by default. The user has to click a button to load the images. So images are pretty much useless for email tracking. There's pretty much no way to track who reads your email these days. (Which isn't really a bad thing :)

In reply to Re^2: request a return receipt by Mutant
in thread request a return receipt by bobdole

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