The error occurs when Qpopper is attempting to verify that the dns entries 
are correct for the IP address.  The manual tells you how to turn this 
option off.

Butch

At 04:32 AM 9/2/02, you wrote:
>Hi all,
>
>My maillog is full of lines like the following
>
>Sep  2 10:22:56 myhost /usr/local/sbin/popper[8503]: (v4.0.3) Unable to get
>canonical name of client xx.xx.xx.xx: Unknown host (1)
>
>These occur about 3 times a minute. They are making it difficult to see
>genuine entries in the maillog. Is there any way of filtering them? I would
>like to leave reverse DNS lookups on, but I would like to do one of the
>following (in order of preference):
>
>a) turn off reverse for this host
>b) log the messages elsewhere
>c) stop logging errors for failed reverse lookups
>d) attack with an axe the isp resonsible for providing reverse DNS for the IP
>range in question
>
>Could anybody please help?
>
>Cheers
>Rich


TSTAR Internet, Inc         | Making the Net Work
Marble Falls, TX            | Serving Blanco, Burnet,
830-693-6967                | Llano, and Mason Counties

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