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Re: [FW-1] SPAM relay detection through FW-1



I agree with Don.

Use one of the Anti-Virus servers to fill this function and kill two birds with one stone.  TrendMicro and Network Associates have software that will do it.  Network Associates has appliances (Webshield e250 and webshield e500) that will scan smtp, http, ftp, and pop3 for viruses, do content filtering, and provide anti-relay/anti-spam.

>>> [email protected] 04/09/02 10:54AM >>>
The SMTP Security server is a poor substitue for a good mail relay.

Install a secure mail relay in your DMZ to handle all incoming and
outgoing email. Configure this system with any size limitations, recipient
limitations, and anti-spam features you want.

A nice side-effect of configuring a seperate relay is that you will takea
lot of load off of your filrewall and you will not need to deal with mdq,
etc.

-Don

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