On Tue, 11 Sep 2001, Sam Johnston wrote:
> I use qmail-smtpd on internal (ie 192.168.0.0/16) networks in conjunction
> with dnscache. I've improved connection time dramatically by adding '-R -H'
> to the tcpserver arguments so as reverse lookups are not attempted. I would
> prefer to resolve external addresses, but not worry about internal ones (or
> perhaps have the internal ones resolve to their IP address). How have others
> solved this problem?
>
> Bonus points for not having to run 2 tcpservers.
Hack tcpserver/tcprules to enhance the format to allow for options so
you can add RESOLVE or SKIPDNS options.
However, with a local dnscache/tinydns pair running, I don't see great
performance impact of reserve lookups or skipping them.
;-)