> Now I read articles like this one talking about "oh yeah Evolution filled up 1...

		ac29 9 months ago \| parent \| context \| favorite \| on: Fun with gzip bombs and email clients > Now I read articles like this one talking about "oh yeah Evolution filled up 100GB of space" like that's no big deal. Is this actually a practical issue though? Windows, Mac and Linux all support transparent compression at the filesystem level, so 100GB of /dev/zero isnt actually going to fill much space at all.

That's not switched on by default unless you use a filesytsem like ZFS.