Question regarding spam - address spoofing

  • From: "Dan Vanden Bosch" <dvandenbosch@xxxxxxxxxxxxxx>
  • To: exchangelist@xxxxxxxxxxxxx
  • Date: Wed, 12 Jan 2005 08:37:21 -0700

I have a user who received a spam message. However the user's address
wasn't in the To field. I checked the Internet Message Header and it
wasn't there either. The to field had a user who doesn't exist on our

How would this message have gotten into the user's mailbox?

Would this be an example of a directory harvest attack?

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