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Open Source and information security mailing list archives
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Date: Wed Jun 7 16:33:23 2006 From: geoincidents at nls.net (Geo.) Subject: Strange Emails -- What are they? > Alright, > If this is spam/email harvesting then please explain how it is > working without any legitimate return path? I understand blasting out > bunk emails with a legit return path, but these emails have no such > path. Whats the ditty? When you try and send email to a non-existant address, the receiving server rejects during the smtp transaction so a return address is not needed since the sending bot gets this error message before the transaction is completed. Geo.
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