"Simonsen, Larry" wrote:

> I am running send mail for mail message queuing.  For each message or at
> startup of the daemon the following message is logged to the /tmp/syslog.log
> file
>
> Jun 16 03:34:37 localhost sendmail[6422600]: gethostbyaddr(172.23.10.11)
> failed: 1
>
> Does anyone have any ideas as to what the error/warning is and if I should
> be concerned?  What action should I take?
> -------------------------------------------------
> Larry Simonsen                Phone: 801-489-2450
> Flowserve Corporation     Fax: 801-491-1750
> PO Box 2200                    http://www.Flowserve.com
> Springville, UT 84663      e-mail: [log in to unmask]
> -------------------------------------------------
> All opinions expressed herein are my own and reflect, in no way, those of my
> employer.
>
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Larry,


Your machine tries a reverse lookup of the ip-address to it's hostname. This
fails.

Could be a problem when you want sendmail to receive email. Sending email will
go with out problems.


Regards,


Jan Gerrit Kootstra

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