I'm a bit puzzled here and hope someone can enlighten me a bit.
In my Postfix configuration, I've got reject_unknown_client set as one of the
items in the smtpd_recipient_restrictions list. In my logs, I've been seeing
entries saying "450 Client host rejected: cannot find your hostname, [IP
address]." Now, the odd thing is that if I do a "host [ip address]" in a
shell window, the IP address resolves into a hostname. Apparently,
reject_unknown_client doesn't work as I was expecting, based on what I read
in the Postfix documentation. So, can someone give me a run-down on how this
parameter actually works? Any info/insight would be appreciated.
--Dave
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