The Postfix Policyd plugin fights spam using techniques such as greylisting, source detection, volume measurements, blacklisting, and HELO rotation detection.
Web developers are always looking for an edge, so this month we explore tricks for faster, more effective websites. We look at trackbacks, Cascading Style Sheets, the Java Content Repository,...
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Look here for archived tutorials and talks from USENIX Security '08. Each comprises a video and recorded presentation slides which are shown parallel to the talk.
