Running exchange 2003 SP2.

We just started getting hit by this spammer who's messages have no "from"
address.
User's can't create a rule to filter it out, the button is greyed out
because there is no "from" address!

I would like to dump any incoming smtp traffic that is sent in this way, but
I have not found a way to do that.
Any thoughts?

You can try going to you Exchange System Manager
-- Open up global settings then Message Delievery
-- On the Sender Filtering Tab there is an option to "Filter Messages
with Blank Sender"

Yes, that is already checked

<jlhawki***@gmail.com> wrote in message
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You should also goto the Default SMTP Virtual Server properties which
handles the inbound mail from the internet and enable the Filters on
the Virtual Server also. Enabling it under Global setting - Message
delivery only configures it but doesnt enable it.

Regards
Randy

RUS doesnt work
Local Delivery Queue Retry Problem
Exchange in small company
Forward email for email exchange
Urgent - Re-route inbound email