Re: holding messages during maintenance best practice
- Andrzej Adam Filip a écrit :
> "ml@..." <ml@...> writes:The pessimistic scenario is about 4h00
>> I was wondering what's the best practice to handle upgrade of the
>> pop/imap server (new bigger hard-drives), i want to have no mail
>> delivery during the upgrade, and we have no secondary mx.
>> So either i can simply stop postfix, or i thought about using the HOLD
>> feature to catch mails into the queue ?
>> Thanks for any advice, and if the HOLD feature is better, for any
>> HOWTO links. We receive about 40k mail/day so i want to avoid troubles
> IMHO if the expected off-line period is reasonably short (in pessimistic
> scenario) then you can choose carefully low traffic period (e.g. after
> midnight or weekend) to use "service stopped" path.
>That's why i ask here before doing anything ;)
> Remember to provide yourself hefty "safety margin" for upgrade period.
> People under stress do make "mistakes".
>Thanks for your anwsers (you and Magnus), now my job is to make THE
> I suggest you using firewall to block access to the services during
> the changes to give you a chance for a few "sanity checks" before
> putting it back online/on internet.
> [these are not "postfix only" advises]