Re: [Exim] Re: Smarthost DNS timeout

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Author: Andrew D
Date:  
To: Morten Bo Johansen
CC: Exim users list
Subject: Re: [Exim] Re: Smarthost DNS timeout
----- Original Message -----
Sent: Monday, June 04, 2001 12:02 AM
Subject: [Exim] Re: Smarthost DNS timeout


> Andrew D <awd@???> wrote:
>
> > > 2001-06-03 11:45:40 translation@??? R=smarthost defer

(-37):
> > > host lookup for smtp.worldonline.dk did not complete (DNS timeout?)
> > >
> > > This only happens with messages that are over ca. 70K in size.
> > > With shorter messages there are no delivery problems.
>
> > That doesn't sound right. message size should not make a diff
> > in DNS lookups. My guess there is some sort of network issues
> > involved here ie lots of data on ur external bandwidth if you
> > know what I mean :) are u using ur own name server or the ISP's
> > that u are connected to? if the ISP's, setup a caching name
> > server on the local network and point the box running exim to
> > it (if you don't already have one) that should in theory solve
> > the problem.
>
>
> It's a standalone Debian box running exim in what I believe is
> a pretty default configuration. I just use the ordinary
> pon/poff scripts to connect to my ISP and I use their
> nameservers. I don't see anything else using my bandwidth.

a caching name server is still a good idea IMHO
>
> Isn't there some parameter I could use to disable the DNS
> lookups? (if it makes any sense to do so)

lol, no way, mail runs on DNS :)
just change the hostname in smarthost router to the IP for that host, though
u may have to check every now and then to see if that host has changed IP.
HTH
cya
Andrew



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Figure out what sucks, then don't do it.