All you do is send an HTML email with a reference to an image on a server you control (in an image tag is the simplest). The information is then sent in the request for that image. Just simple HTML, no Perl needed.
Doing this is no more "evil" than HTML email is. There are legitimate uses for it. No need to let your anti-spam fanaticism cloud your judgement. Flame away if you want though.
In reply to Re: New Guy
by Anonymous Monk
in thread New Guy
by NodeReaper
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