Confirm back-end server can send and accept email. The MTA you decide to use on the back-end server can be anything you like... the filter gateway should be able to drop in front of any existing mail system (qmail, postfix, exim, exchange, etc)
Confirm back-end server can send and accept email. The MTA you decide to use on the back-end server can be anything you like... the filter gateway should be able to drop in front of any existing mail system (qmail, postfix, exim, exchange, etc)
Explains setting up DSpam on Dreamhost, but can be applied to any other server. Specifically, shows how to set up auto training using IMAP folders for Ham and Spam or using mail aliases