Exchange 2007 Postmaster Account Receiving no more legit e-mails

Hi experts!

A few months ago we migrated to exchange 2007. All was well, but shortly after our Postmaster account started getting flooded with more SPAM than usually, a lot more. I set up Postini for the postmaster account which was never necessary in exchange 2003, so something changed. I did setup Directory Harvest protection via tar pitting (aka Recipient filtering, unsure if its related). Now I'm protected for the SPAM from the Internet, but I no longer receive LEGIT postmaster emails in the postmaster inbox (i.e. Internal users typing wrong addresses and bouncing)

Where should I look to resolve this?

Thanks!
LVL 1
njmattAsked:
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MesthaCommented:
Why would you want those messages anyway? Waste of time in my opinion. I don't really want to know that one of the users is stupid enough to make a typo. Remember it was only a COPY of the NDR, nothing more.

If you are routing email out via Postini, which you should be, then Exchange doesn't know it is a typo.

Simon.
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MesthaCommented:
Zero feedback from the user. Object to deletion.
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