Hello All,
I cannot understand why some of my users received undelivered messages NDR's for users that they never have sent email to. One user today had about 60 NDR's for various emails address throught the world. Is their a way to prevent this? Am I being hacked Whats going on here? Thanks
here is a piece of the header
Subject: Undeliverable: ++ Spam: pz's discount Coupon #magHP. Free Viagar Plils.
Your message did not reach some or all of the intended recipients.
Subject: ++ Spam: pz's discount Coupon #magHP. Free Viagar Plils.
Sent: 4/15/2008 1:55 PM
The following recipient(s) could not be reached:
pz.tbs@exchange.local on 4/15/2008 3:43 PM
The e-mail account does not exist at the organization this message was sent to. Check the e-mail address, or contact the recipient directly to find out the correct address.
<ballast-nedam.nl #5.1.1 smtp;550 5.1.1 RESOLVER.ADR.RecipNotFound
; not found>
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