On Fri, Jun 18, 2010 at 02:05:36PM -0700, Florin Andrei wrote:

> main.cf:
> transport_maps = hash:/etc/postfix/transport
> fragile_destination_concurrency_limit = 2
> fragile_destination_concurrency_failed_cohort_limit = 1
> fragile_destination_rate_delay = 2s

Try:

    # Change from 1 above
    fragile_destination_concurrency_failed_cohort_limit = 5
    # New, more stable feedback controls from 2.5
    fragile_destination_concurrency_positive_feedback = 1/3
    fragile_destination_concurrency_negative_feedback = 1/8

I think that will significantly reduce the rate at which delivery is
unnecessarily throttled.

-- 
        Viktor.

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