From: Keith Matthews (postfixfrequentous.co.uk)
Date: Wed Mar 01 2006 - 06:24:44 CST

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On Wed, 1 Mar 2006 12:58:45 +0100
cbaegerteuropeanservers.net wrote:

> Hi,
>
> we had a big problem yesterday : a power loss in our datacenter.
>
> Our mail server restarted with a clock set to 2003, although it's a
> brand new server (and I supposed it was a brand new battery !)
>
> When I saw that, I hurried to set the clock to 2006. Then the mail
> server rejected all the messages it received but not delivered during
> the time it was set to 2003, with "status=expired, returned to sender"
>
> I'm wondering if I could have done something differently to avoid this
>
> problem, but I don't have the answer for now. Any idea ?
>
> Or maybe something in Postfix could be implemented to avoid this
> annoying behaviour ? I imagine it's not the first time that this
> problem occurs, and it certainly won't be the last time ! After a
> power loss, we don't have to time to read the whole Postfix manual, so
> I think it will be better if Postfix could handle this problem
> automatically whatever the admin mistakes !
>

How would postfix know that the time had changed ?

It's a lot easier (and safer) to ensure the time is set correctly at
startup. I have calls to rdate (or whatever) in rc.local plus an
invocation of ntpd.

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