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List:       postfix-users
Subject:    Re: maximal_queue_lifetime and bounce_queue_lifetime
From:       Viktor Dukhovni <postfix-users () dukhovni ! org>
Date:       2015-04-27 14:57:45
Message-ID: 20150427145744.GI25758 () mournblade ! imrryr ! org
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On Mon, Apr 27, 2015 at 07:12:46AM -0400, Wietse Venema wrote:

> > For the parameters maximal_queue_lifetime? and bounce_queue_lifetime
> > default values are 5d (5 days).? Due to overquota, the mail remains in the
> > queue for 5 days.? Is there a way by which a sender can be notified that
> > mail has not yet been delivered to the recipient, and it will be retried
> > for few more days for delivery?
> > 
> > Is setting delay_warning_time the correct solution?
> 
> Yes. The default message looks like:

That said, better yet is to configure your system so that messages
to over-quota mailboxes bounce immediately, rather than tempfail.
Then there are no delays and the sender receives a timely bounce.

Many sites configure an access(5) table that lists over-quota
users, so that the mail is never accepted in the first place,
the bounce is generated by the sending system.

--
 	Viktor.
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