postfix-users October 2010 archive
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postfix-users: RE: Deliver mail to multiple queues

RE: Deliver mail to multiple queues

From: Joseph L. Casale <jcasale_at_nospam>
Date: Thu Oct 07 2010 - 21:09:49 GMT
To: Postfix users <>

>The idea is that you ***QUEUE*** the mail for the mailbox server
>on the gateway. The default postfix maximal_queue_lifetime setting
>of five days should be sufficient to survive a weekend outage of
>the mailbox server.

This is what I normally do during maint.

>> If I roll back the mailbox server during this period, delivering
>> mail back into it would be most convenient.
>You mis-understand.

Not quite:)

>1) If you don't ***QUEUE*** the mail on the gateway, there is
>nothing to replay, because the mail is already delivered to the
>mailbox server.
>2) If you do ***QUEUE*** the mail on the gateway, then all you need
>to do is turn on the flow to the mailbox server when you're done,
>and Postfix will deliver it to the mailbox server.

hence why I wanted to duplicate the delivery queue (or whatever queue
would be involved) and redirect a *copy* into a new queue that holds/defers.

When I am done, I can suspend incoming mail temporarily at the firewall,
drop the mb server, then reconfigure the queues and deliver.

I would simply defer all weekend as I have done for years, but this time
around my need came too quick to implement more orthodox methods
and I need to interact with several recipients mail in the meantime.

Thanks for all the help so far guys!