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Dave Sill writes:
> 1. qmail's level of parallelization is configurable. The default
> concurrencyremote, 20, is hardly "massive".
You are looking at numbers; try looking at the ratio. 20 times as many
connections, a difference of an order of magnitude and then some, is a
massive difference.
> 2. *any* parallelizing MTA can potentially flood a slow link or host.
qmail calls this a strength; in the real world we call it a denial of
service attack.
>> And there is nothing that anyone on the receiving end of such a
>> throttling can do about it.
> Any MTA that allows itself to accept more connections than it can
> handle is broken or severely misconfigured.
"Be liberal in what you accept, conservative in what you send." qmail
ignores this fundamental concept to the detriment of everyone else, then
lays the blame for the resulting problems on everyone else.
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--
Rich Pieri <rich.pieri@prescienttech.com> / If Happy Fun Ball begins to smoke,
Sysmonster, Unix Wrangler / get away immediately. Seek shelter
Prescient Technologies, Inc. / and cover head.
I speak for myself, not PTI or SWEC /
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