There is a product called ORF that can help eliminate this issue. I'm not
aware of any MS product although they recently purchased some 3rd party mail
plug-in, I think those are for exchange only.
http://www.vamsoft.com/promos/spam_block_exchange/default.htm --
Steve Schofield
Windows Server MVP - IIS
ASPInsider Member - MCP
http://www.orcsweb.com/ Managed Complex Hosting
#1 in Service and Support
[quoted text, click to view] "Me" <xinge.du@swiftradius.com> wrote in message
news:ehBvBwWRHHA.3812@TK2MSFTNGP06.phx.gbl...
> Hi all.
>
> Problem:
> We are getting swamped with SPAM and currently have no money to upgrade
> our SMTP gateways. We used to be a larger company and the amount of SPAM
> directed at 1) actual working email addresses, 2) removed email addresses
> and 3) made up email addresses, is unbeleivable. One week over Christmas
> break we had 200,000 SPAM messages.
>
> Environment:
> We are using a pair of SMTP gateways currently using Symantec's AntiVirus
> for Windows (3.1.1.2). Both servers are running Windows 2000 and host our
> Corporate web site and DNS servers. We currently do not have IIS SMTP
> running as we have the Symantec product listening on port 25 and relaying
> all mail for our 4 domains to the Exchange server.
>
> Question:
> How can I use IIS SMTP to accept only messages to a given list of email
> addresses (we are a small company, not a big list)? In this way, I can
> use IIS SMTP to listen on port 25, only accept messages for the given list
> of email addresses and forward accepted messages to the Symantec product
> on a different port (like 2525). Then they will be scanned for SPAM and
> Viruses and then forwarded to Exchange.
>
> Thanks for any input you might have.
>
>