Date: Fri, 29 Apr 2005 07:07:50 -0700 From: "greg@grokking.org" <greg@grokking.org> To: freebsd-questions@freebsd.org Subject: Re: FreeBSD mailing list reverse DNS problem Message-ID: <42723FB6.5030109@grokking.org> In-Reply-To: <20050429101441.50803.qmail@web31303.mail.mud.yahoo.com> References: <20050429101441.50803.qmail@web31303.mail.mud.yahoo.com>
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Ihsan wrote: > Hi all, > > I am registered to this mailing list under a different > e-mail which I can't seem to use to send mails to this > list. FreeBSD MXs kept rejecting my server with 450 > Client host rejected. cannot find hostname, > [202.71.100.92] (in reply to RCPT TO command) > > I've checked and rechecked with internal and external > name servers which allow foreign queries that my IP is > resolvable to anggerik.meltechsystems.net (dig -x > 202.71.100.92) but somehow FreeBSD servers couldn't > get the reverse information. > > How can I troubleshoot this problem? I'm running out > of practical ideas already. > Did you recently (i.e. last couple of days) change your DNS for that host-IP combo? It might take some nameservers (esp. ones with long cache lifetimes) a bit of time to acquire the new information. I had this problem when I first tried to subscribe to this list. A couple hours later I tried again and it worked. cheers, G
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