Although this article provides instructions on setting up an integrated mail server using Postfix, OpenLDAP and Courier-IMAP, it does not discuss how these software components were chosen, which could ...

Postfix: The Definitive Guide is a beautifully written book about a beautifully designed program. Kyle Dent's writing is precise and concise without being too dense to read--standards, for example, ...

The server suddenly (just this afternoon) started refusing external email because our Barracuda is allegedly listed in zen.spamhaus.com (though checking the IP on the ...