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Pastimes : Computer Learning

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To: mr.mark who wrote (27906)	8/14/2002 9:35:10 PM
From: Lazarus_Long	Read Replies (1) of 110603

E said I wish I'd saved mr. mark's explanation of how they know whether their recipients' addresses are dead, and should thus be deleted from their list, or not. We were discussing email and the fact that a sender can tell whether a piece of mail was opened. I'm curious as to how this works. This was my guess: Actually, I can imagine ways of doing it, particularly if a javascript is sent with the mail. That java can know its owners address, it can get your address (obviously the mail knows where it was sent) and the java can send a reply back to its owner if the mail is opened. So how's it done? TIA.

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