Top dog Sun Microsystems' lead in sales of Unix servers has shrunk, according to second-quarter figures from research company Gartner Dataquest. The figures, made available to selected server vendors ...

ITworld.com – Many systems administrators have run into errors in their syslog files that complain that mail is looping back, suggesting a possible MX problem. The common cause of this problem is that ...

Linux inherited many things from UNIX, but one of the most important is the idea that while small programs perform modest functions individually, together they combine to make one powerful system. You ...

Any server that accepts email is at some risk of abuse. Given the relatively large population of dimwits in the world with nothing better to do with their time than send volumes of innocuous email to ...