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>>>>> "Jack" == John Twilley <jmt@NDA.COM> writes:
Jack> This causes spam-filters to reject perfectly good mail from perfectly
Jack> good addresses.
Then you are doing it wrong.
Failed reverse DNS lookups should result in a *temporary* MTA failure, not
a terminal error. You do not want to have immediately terminal errors on a
reverse DNS lookup because there are plenty of perfectly ordinary reasons
for the lookup to fail: general network lossage during peak use hours is a
common problem, as is temporary DNS server shutdown.
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--
Rich Pieri <rich.pieri@prescienttech.com> | If Happy Fun Ball begins to smoke,
Prescient Technologies, Inc. | get away immediately. Seek shelter
A Stone & Webster Company | and cover head.
I speak for myself, not PTI or SWEC |
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