On Fri, 16 Jul 2004, Alan J. Flavell wrote:
>
> Looking at the log, it seems that the second batch is completed within
> typically 6 to 20 seconds of the first. Sometimes the offering MTA
> passes the second batch off to our backup MTA, sometimes they retry it
> directly themselves, but in either case the final delivery seems to be
> complete within tens of seconds. That's discounting the senders who
> didn't bother to retry: but a mere glance at the envelope-sender
> addresses etc. makes it clear that they were spammers.
Gosh that's very encouraging.
> I'm a bit surprised by how quickly it happened. I wound't have been
> surprised if some offering MTAs had delayed by up to around 15mins
> before retrying; that would have been fine by me, what say you?
15 minutes total would be towards the upper end of acceptable, but 15
minutes per batch of addresses with a different threshold is definitely
not.
Tony.
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