Employing Qpsmtpd SMTP Proxy For Advanced Spam Management

A simple means to adding additional anti-spam checks to your mailserver is to place it behind an SMTP-proxy. One common proxy is the extremely flexible qpsmtpd server. The nice part of this setup is that is allows the network to have the SMTP-proxy in front of the Mail Server so there is no need to change mail server. I feel is this a nice feature. But how effective is this from preventing spam and allowing real emails to come through What do you think? Does this method have the ability to learn what is spam?

There are many methods used to fight spam which are tied to particular mailserver implementations. This means that unless you're using that specific software you cannot take advantage of them. A simple means to adding additional anti-spam checks to your mailserver is to place it behind an SMTP-proxy. One common proxy is the extremely flexible qpsmtpd server.

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