From: Ralf Hildebrandt (Ralf.Hildebrandtcharite.de)
Date: Fri Jul 14 2006 - 10:18:13 CDT

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* Ki Song <kiknifecenter.com>:
> I get this error when trying to send an e-mail to certain mail servers:
> status=deferred (host mail.python.org sayd: 450 Client host rejected: cannot
> find your hostname, [70.88.225.1] (in reply to RCPT command))
>
> What setting have I messed up?

$ host 70.88.225.1
1.225.88.70.in-addr.arpa domain name pointer 70-88-225-1-knife-center-md.hfc.comcastbusiness.net.
but:

$ host 70-88-225-1-knife-center-md.hfc.comcastbusiness.net.
Host 70-88-225-1-knife-center-md.hfc.comcastbusiness.net not found: 3(NXDOMAIN)

--
Ralf Hildebrandt (Ralf.Hildebrandtcharite.de) spamtrapcharite.de
Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155
http://www.postfix-buch.com
Why you can't find your system administrators:
Managed to find time to sleep for an hour or two.

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