I'm not referring to sending mail with a receipt notification header. But I'll leave it at that.
Update: the method waswas-fng detailed was what I meant; using a webbug. I wanted to avoid it being mentioned, but oh well.
Makeshifts last the longest.
In reply to Re^3: Detecting an email address
by Aristotle
in thread Detecting an email address
by Anonymous Monk
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