> > The usual way to configure mail infrastructure in most small-to-medium > sized businesses is to have a mail gateway (sometimes known as a relay > server) in the DMZ, and your production mail server in the LAN.
I would tend to agree with Kurt on this. That way you can use something really secure like qmail as your mail gateway. This prevents your internal, possibly less secure, (e.g. exchange) mail server from being directly exposed to the Internet. Just my opinion. Steve
