On Tue, 8 Sep 1998, Cary B. O'Brien wrote:
> Another problem can be sendmail looking for the IP address of your
> diald interface. I do not fully understand this, but I have found
> that if you see lines like...
>
> Jun 9 01:03:21 zeus sendmail[2860]: gethostbyaddr() failed for 192.168.0.1
I believe sendmail does two lookups, one to turn the hostname into an
address, and the other to turn the address back into a hostname to compare
with the original, for the sake of security. Looks like the second lookup
is failing. This may be a sign of misconfiguration somewhere. As usual,
the easy way out is to run a properly configured named on your server,
although other methods may work too.
> When diald brings up the link, you may have to add the IP address
> that failed to /etc/hosts.
>
> This fixed nightly dialing on two of my machines.
Working them in to your DNS setup should work just as well, or better.
> Note I am using slirp at the other end.
I don't think that matters ... but slirp does masquerading of its own,
doesn't it? Hmm.
Ed
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