[PLUG] Resolving a DNS/postfix issue

[Robert Munro]

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On Tue, 11 Oct 2011 08:32:29 Rich Shepard <rshepard at appl-ecosys.com>
wrote:
> 
>>> However, I fixed it by re-installing the bind package from the
>>> original distribution, then upgrading with the patch. Now dig
>>> and host work.
> Well, host now works:
> 
> [rshepard at salmo ~]$ host leafe.com leafe.com has address
> 67.23.35.254 leafe.com mail is handled by 10 leafe.com.
> 
> but postfix is still not resolving the hostname:
> 
> Oct 11 08:21:44 salmo postfix/smtpd[28484]: NOQUEUE: reject: RCPT
> from unknown[67.23.35.254]: 450 4.7.1 Client host rejected: cannot
> find your hostname, [67.23.35.254];
> from=<dabo-users-bounces at leafe.com> to=<rshepard at appl-ecosys.com>
> proto=ESMTP helo=<marge.leafe.com>
> 
> /var/log/maillog shows:
> 
> Oct 11 08:26:44 salmo postfix/smtpd[30975]: warning: 67.23.35.254:
> hostname 67-23-35-254.static.slicehost.net verification failed:
> Name or service not known Oct 11 08:26:44 salmo
> postfix/smtpd[30975]: connect from unknown[67.23.35.254]
> 
> leafe.com is hosted by rackspace.com on their slicehost.net
> service.
> 
> Is there anything I can do to fix this? Or, do I take this to the
> postfix mail list?

Have you tried running newaliases? Postfix uses that to install names.

HTH,
Robert
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