how do i get a notificaion when an e-mail is read
There are some email programs that allow you to set an email notification request with every email. That way, when the recipient opens the email, they have the option to click that they have opened the email.
But keep in mind that that's strictly what it is: an option. Personally, when I receive an email with a notification request, I always click no.
Shaw Webmail doesn't include this request. And it seems that most email programs and apps have also dropped it. But if you could let us know which email program or app you use, we could see if it does include it.
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