OT: clock drift (was: Re: logging postfix and others)

[Ryan Schmidt]

On Mar 1, 2009, at 03:37, Scott Haneda wrote:

> First thing I do in setting up a new server is comment out the log  
> rollers, second is set up a ntpudpate command in launchd to keep  
> the clock from drifting.

I realize this is off-topic now, but you've made me curious. Can the  
clock drift if you do not do this? I thought Apple's "set date and  
time automatically" option was supposed to ensure clocks were  
synchronized. Though I admit I don't know what it does specifically.