Exchange 2000 --> Recipient Filtering ONLY Options

Hello All,

It seems we're being hit with lots, and lots of NDR's. I would like to implement recipeient filtering on a W2k/Exchange2k Server. Incoming mail to the domain first goes through a SPAM filter which relies on a seperate server. From there, if it passes all rules/etc, it's passed onto the exchange server. The problem is, the SPAM filter does not support AD Recipient Filtering. Outbound mail goes out through the exchange server. I've noticed recently that the SMTP queues on the exchange server get a ton of NDR's for "Junk" domains.

What are my options for recipient filtering? I don't really need something too pricey that also acts as a spam filter/100 other gadgets...any help is appreciated.

The option that I saw that looks to be best is ORF Enterprise Edition, is this so? Relatively easy to use? Should it be installed on the exchange server, or the current Spam filter? Will it intefere with the current SPAM filter (CMS's G2)
Many thanks,
Kevin
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dtagmisAsked:
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SembeeConnect With a Mentor Commented:
Vamsoft ORF is very good for protecting Exchange 2000, and is what I usually suggest. Enable directory lookup and greylisting and you will deal with most of the spam. I even discussed using Vamsoft as part of a gateway here: http://www.amset.info/exchange/gateway.asp

Simon.
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dtagmisAuthor Commented:
Thank you Simon. Should there be a problem by just installing ORF on the SPAM server? It shouldn't interfere with the current spam filter just by enabling directory lookup, correct?
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SembeeConnect With a Mentor Commented:
Depends what the spam filter does for SMTP. If it is using IIS as a host then it should be fine. If it has its own SMTP engine then you have a problem as ORF requires IIS.

Simon.

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dtagmisAuthor Commented:
It uses IIS - Thank You Simon. I was not sure if there would be a problem with both of them using it or not.
Kevin
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