Unless you're a sysadmin you don't generally have to worry that much about getting email delivered, you just hookup your GUI email client to your external email account and you're done. But what if ...

So unfortunately, I've been tasked with setting up an Ubuntu server to send and receive email (amongst other things). My friend is hosting the Ubuntu VM on his box, but has only done limited setup.

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 ...