[Dovecot] Return error instead of dying on time back skip?

[John Peacock]

Ben Winslow wrote:
> Clock drift of about 13 seconds/day (150 PPM) is (unfortunately) not
> uncommon, and 4-6 seconds/day (50-75 PPM) is about the norm for PC
> hardware in my experience.
> 
> Of course, this is exactly the reason why you should run ntpd instead
> of ntpdate on a cron job (especially a once-per-day cron job...)

I would again recommend clockspeed:

	http://cr.yp.to/clockspeed.html
	http://foo42.de/devel/sysutils/clockspeed-conf/

for machines which don't have continuous connection to the Internet 
(where [x]ntpd won't do you any good).  It handily reigns in bad clock 
crystals with only a couple of external connections per month.

John

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John Peacock
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