I have seen this before, I have received emails from people I know that have been trying to flog me some Canadian Pharmacies wonder pill!
I am not entirely sure how it works, I was always under the impression that they were just using some kind of email name generator, I did not realise that it actually was sending out from peoples real accounts.
How much can they possible actually ever sell of whatever it is they are trying to sell anyway, who actually reads those emails!
Ant