On Fri, Feb 04, 2011 at 12:52:05PM +0100, David Touzeau wrote:

> Is it supported to set parameters in command line directly in master cf
> eg ?

No.

> 
> slowsmtp unix -     -     n     -     -     smtp

The above goes in master.cf with no "-o ..." options.

> transport_destination_concurrency_failed_cohort_limit=1
> transport_delivery_slot_loan=2 -o transport_delivery_slot_discount=10 -o
> transport_delivery_slot_cost=2 ....

No. In main.cf you put (say):

    slowsmtp_destination_concurrency_failed_cohort_limit=1

AND DO NOT ATTEMPT TO TUNE the below variables. Leave the defaults in
place.

    > slowsmtp_delivery_slot_loan=2
    > slowsmtp_delivery_slot_discount=10
    > slowsmtp_delivery_slot_cost=2 ....

The queue-manager algorithm for scheduling messages with few recipients
that arrive after messages with a large number of recipients can only
be understood by Hungarian logicians. :-) Everyone else marvels at the
clever design and does not tinker.

-- 
        Viktor.

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