Viktor Dukhovni:
> On Wed, Sep 24, 2014 at 06:37:41AM -0400, Wietse Venema wrote:
>
> > Quanah Gibson-Mount:
> > > We've had one request so far for RFC 6710 support with Zimbra. Just
> > > curious if there are any plans on the table for implementation of this
> > > RFC
> > > within Postfix for 2.12 (or later).
> >
> > Postfix has no priorities. If you want to schedule different classes
> > of mail independently, install more Postfix instances.
>
> This said, each transport is a separate scheduling pool of delivery
> agents. So with:
>
> http://www.postfix.org/postconf.5.html#sender_dependent_default_transport_maps
>
> one can arrange for some envelope senders, possibly only on the
> submission port and possibly restricted to particular logins, to
> be assigned to a dedicated clone of the smtp transport. If some
If the queue is congested, then separate transports do not help
with mail in the incoming and deferred queues. It is like being
stuck in traffic on the access road to the airport.
With a congested road (congested mail queue), priority delivery
requires building separate roads (separate mail queues) with different
admission policies.
Postfix does not have separate mail queues, so that is not an option.
Wietse
