SPAM FILTER Appliance between Exchange Servers

I have a SPAM Filter appliance and would like to use it between two E2K3 servers in the same org.  Has anyone done this or know if it can work? M$ said it is not supported.

 I have it configured in my test LAN but I have been unsuccessful in making it work.  I have configured SMTP connectors with SMARTHOST(SPAM Filter Appliance) to connect routing groups and pass only non-system messages.  When messages are sent to the Appliance the connection is reset during the data transfer of the SMTP session.  Looks like an issue with XEXCH50, but I can not prove it.  When I sniff the traffic I don't see the XEXCH50 command.
SJC1906Asked:
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SembeeConnect With a Mentor Commented:
Why are you scanning internal messages? Do your users spam each other?
The appliance is designed to be used as a gateway device - to scan everything that comes in and out, not internal traffic.

Thus the mail flow should be

Internet ---> Spam Appliance ----> Frontend Server ----> Backend servers.

Trying to scan internal traffic will never work.  

Simon.


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SembeeCommented:
When you say "between" two servers, do you mean that the device is separating them or that the servers are sharing it service?

If separating them, then no.
If sharing, then yes.

Simon.
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SJC1906Author Commented:
Simon,

I am using a RGC to pass all system messages between the two servers.  

I am using an SMTP connector to pass non-system(Mail) between the servers.

So, I guess to answer your question I am sharing the device.

Stuart
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SembeeCommented:
Say a user on server 1 sends an email to a user on server 2 - are you trying to send the email through the spam filter?

Furthermore, are these two servers in the same physical location? Any reason for using a routing group connector?

Simon.
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SJC1906Author Commented:
Yes, I am trying to send the e-mail through the SPAM  Appliance through an SMTP connector with the SPAM Appliance as the defined smarthost.

Reason why I am using the RGC is pass linkstate information.  The SMTP connector is unable to pass Exchange System messages.

Thanks
Stuart
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SembeeCommented:
Still trying to get my head around exactly where the appliance is in the mix.

If this was me and the servers were on the same physical network, I would do the following.

Exchange servers - both in the SAME RSG.

A single SMTP Connector, with the spam filter configured as the smart host, and both servers SMTP Server as the Bridgehead. The SMTP Connector has * in its name space.
No smart host configured on the SMTP virtual server of each server.

Simon.
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SJC1906Author Commented:

Reason for using the SPAM Appliance is because first mail hop is to an Exchange 2003 Local Bridgehead server.  I want to then pass the messages to the SPAM Appliance to get scanned and then send it to the Mailbox Server.  Both servers are in different RGs but in the AG.  I want all messages Internal and External to pass through this Appliance before it gets to the mailbox server.

Stuart
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